Initial commit - Event Planner application

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+<h1 align="center">
+  <a href="https://mikro-orm.io"><img src="https://raw.githubusercontent.com/mikro-orm/mikro-orm/master/docs/static/img/logo-readme.svg?sanitize=true" alt="MikroORM" /></a>
+</h1>
+
+TypeScript ORM for Node.js based on Data Mapper, [Unit of Work](https://mikro-orm.io/docs/unit-of-work/) and [Identity Map](https://mikro-orm.io/docs/identity-map/) patterns. Supports MongoDB, MySQL, MariaDB, PostgreSQL, SQLite (including libSQL), MSSQL and Oracle databases.
+
+> Heavily inspired by [Doctrine](https://www.doctrine-project.org/) and [Hibernate](https://hibernate.org/).
+
+[![NPM version](https://img.shields.io/npm/v/@mikro-orm/core.svg)](https://npmx.dev/package/@mikro-orm/core)
+[![NPM dev version](https://img.shields.io/npm/v/@mikro-orm/core/next.svg)](https://npmx.dev/package/@mikro-orm/core)
+[![Chat on discord](https://img.shields.io/discord/1214904142443839538?label=discord&color=blue)](https://discord.gg/w8bjxFHS7X)
+[![Downloads](https://img.shields.io/npm/dm/@mikro-orm/core.svg)](https://npmx.dev/package/@mikro-orm/core)
+[![Coverage Status](https://img.shields.io/coveralls/mikro-orm/mikro-orm.svg)](https://coveralls.io/r/mikro-orm/mikro-orm?branch=master)
+[![Build Status](https://github.com/mikro-orm/mikro-orm/workflows/tests/badge.svg?branch=master)](https://github.com/mikro-orm/mikro-orm/actions?workflow=tests)
+
+## Quick Start
+
+Install a driver package for your database:
+
+```sh
+npm install @mikro-orm/postgresql   # PostgreSQL
+npm install @mikro-orm/mysql        # MySQL
+npm install @mikro-orm/mariadb      # MariaDB
+npm install @mikro-orm/sqlite       # SQLite
+npm install @mikro-orm/libsql       # libSQL / Turso
+npm install @mikro-orm/mongodb      # MongoDB
+npm install @mikro-orm/mssql        # MS SQL Server
+npm install @mikro-orm/oracledb     # Oracle
+```
+
+> If you use additional packages like `@mikro-orm/cli`, `@mikro-orm/migrations`, or `@mikro-orm/entity-generator`, install `@mikro-orm/core` explicitly as well. See the [quick start guide](https://mikro-orm.io/docs/quick-start) for details.
+
+### Define Entities
+
+The recommended way to define entities is using [`defineEntity`](https://mikro-orm.io/docs/define-entity) with `setClass`:
+
+```typescript
+import { defineEntity, p, MikroORM } from '@mikro-orm/postgresql';
+
+const AuthorSchema = defineEntity({
+  name: 'Author',
+  properties: {
+    id: p.integer().primary(),
+    name: p.string(),
+    email: p.string(),
+    born: p.datetime().nullable(),
+    books: () => p.oneToMany(Book).mappedBy('author'),
+  },
+});
+
+export class Author extends AuthorSchema.class {}
+AuthorSchema.setClass(Author);
+
+const BookSchema = defineEntity({
+  name: 'Book',
+  properties: {
+    id: p.integer().primary(),
+    title: p.string(),
+    author: () => p.manyToOne(Author).inversedBy('books'),
+  },
+});
+
+export class Book extends BookSchema.class {}
+BookSchema.setClass(Book);
+```
+
+You can also define entities using [decorators](https://mikro-orm.io/docs/defining-entities) or [`EntitySchema`](https://mikro-orm.io/docs/entity-schema). See the [defining entities guide](https://mikro-orm.io/docs/defining-entities) for all options.
+
+### Initialize and Use
+
+```typescript
+import { MikroORM, RequestContext } from '@mikro-orm/postgresql';
+
+const orm = await MikroORM.init({
+  entities: [Author, Book],
+  dbName: 'my-db',
+});
+
+// Create new entities
+const author = orm.em.create(Author, {
+  name: 'Jon Snow',
+  email: 'snow@wall.st',
+});
+const book = orm.em.create(Book, {
+  title: 'My Life on The Wall',
+  author,
+});
+
+// Flush persists all tracked changes in a single transaction
+await orm.em.flush();
+```
+
+### Querying
+
+```typescript
+// Find with relations
+const authors = await orm.em.findAll(Author, {
+  populate: ['books'],
+  orderBy: { name: 'asc' },
+});
+
+// Type-safe QueryBuilder
+const qb = orm.em.createQueryBuilder(Author);
+const result = await qb
+  .select('*')
+  .where({ books: { title: { $like: '%Wall%' } } })
+  .getResult();
+```
+
+### Request Context
+
+In web applications, use `RequestContext` to isolate the identity map per request:
+
+```typescript
+const app = express();
+
+app.use((req, res, next) => {
+  RequestContext.create(orm.em, next);
+});
+```
+
+More info about `RequestContext` is described [here](https://mikro-orm.io/docs/identity-map/#request-context).
+
+## Unit of Work
+
+> Unit of Work maintains a list of objects (_entities_) affected by a business transaction
+> and coordinates the writing out of changes. [(Martin Fowler)](https://www.martinfowler.com/eaaCatalog/unitOfWork.html)
+
+When you call `em.flush()`, all computed changes are queried inside a database transaction. This means you can control transaction boundaries simply by making changes to your entities and calling `flush()` when ready.
+
+```typescript
+const author = await em.findOneOrFail(Author, 1, {
+  populate: ['books'],
+});
+author.name = 'Jon Snow II';
+author.books.getItems().forEach(book => book.title += ' (2nd ed.)');
+author.books.add(orm.em.create(Book, { title: 'New Book', author }));
+
+// Flush computes change sets and executes them in a single transaction
+await em.flush();
+```
+
+The above flush will execute:
+
+```sql
+begin;
+update "author" set "name" = 'Jon Snow II' where "id" = 1;
+update "book"
+  set "title" = case
+    when ("id" = 1) then 'My Life on The Wall (2nd ed.)'
+    when ("id" = 2) then 'Another Book (2nd ed.)'
+    else "title" end
+  where "id" in (1, 2);
+insert into "book" ("title", "author_id") values ('New Book', 1);
+commit;
+```
+
+## Core Features
+
+- [Clean and Simple Entity Definition](https://mikro-orm.io/docs/defining-entities) — decorators, `EntitySchema`, or `defineEntity`
+- [Identity Map](https://mikro-orm.io/docs/identity-map) and [Unit of Work](https://mikro-orm.io/docs/unit-of-work) — automatic change tracking
+- [Entity References](https://mikro-orm.io/docs/entity-references) and [Collections](https://mikro-orm.io/docs/collections)
+- [QueryBuilder](https://mikro-orm.io/docs/query-builder) and [Kysely Integration](https://mikro-orm.io/docs/kysely)
+- [Transactions](https://mikro-orm.io/docs/transactions) and [Cascading](https://mikro-orm.io/docs/cascading)
+- [Populating Relations](https://mikro-orm.io/docs/populating-relations) and [Loading Strategies](https://mikro-orm.io/docs/loading-strategies)
+- [Filters](https://mikro-orm.io/docs/filters) and [Lifecycle Hooks](https://mikro-orm.io/docs/events#hooks)
+- [Schema Generator](https://mikro-orm.io/docs/schema-generator) and [Migrations](https://mikro-orm.io/docs/migrations)
+- [Entity Generator](https://mikro-orm.io/docs/entity-generator) and [Seeding](https://mikro-orm.io/docs/seeding)
+- [Embeddables](https://mikro-orm.io/docs/embeddables), [Custom Types](https://mikro-orm.io/docs/custom-types), and [Serialization](https://mikro-orm.io/docs/serializing)
+- [Composite and Foreign Keys as Primary Key](https://mikro-orm.io/docs/composite-keys)
+- [Entity Constructors](https://mikro-orm.io/docs/entity-constructors) and [Property Validation](https://mikro-orm.io/docs/property-validation)
+- [Modelling Relationships](https://mikro-orm.io/docs/relationships) and [Vanilla JS Support](https://mikro-orm.io/docs/usage-with-js)
+
+## Documentation
+
+MikroORM documentation, included in this repo in the root directory, is built with [Docusaurus](https://docusaurus.io) and publicly hosted on GitHub Pages at https://mikro-orm.io.
+
+There is also auto-generated [CHANGELOG.md](CHANGELOG.md) file based on commit messages (via `semantic-release`).
+
+## Example Integrations
+
+You can find example integrations for some popular frameworks in the [`mikro-orm-examples` repository](https://github.com/mikro-orm/mikro-orm-examples):
+
+### TypeScript Examples
+
+- [Express + MongoDB](https://github.com/mikro-orm/express-ts-example-app)
+- [Nest + MySQL](https://github.com/mikro-orm/nestjs-example-app)
+- [RealWorld example app (Nest + MySQL)](https://github.com/mikro-orm/nestjs-realworld-example-app)
+- [Koa + SQLite](https://github.com/mikro-orm/koa-ts-example-app)
+- [GraphQL + PostgreSQL](https://github.com/driescroons/mikro-orm-graphql-example)
+- [Inversify + PostgreSQL](https://github.com/PodaruDragos/inversify-example-app)
+- [NextJS + MySQL](https://github.com/jonahallibone/mikro-orm-nextjs)
+- [Accounts.js REST and GraphQL authentication + SQLite](https://github.com/darkbasic/mikro-orm-accounts-example)
+- [Nest + Shopify + PostgreSQL + GraphQL](https://github.com/Cloudshelf/Shopify_CSConnector)
+- [Elysia.js + libSQL + Bun](https://github.com/mikro-orm/elysia-bun-example-app)
+- [Electron.js + PostgreSQL](https://github.com/adnanlah/electron-mikro-orm-example-app)
+
+### JavaScript Examples
+
+- [Express + SQLite](https://github.com/mikro-orm/express-js-example-app)
+
+## Contributing
+
+Contributions, issues and feature requests are welcome. Please read [CONTRIBUTING.md](CONTRIBUTING.md) for details on the process for submitting pull requests to us.
+
+## Authors
+
+**Martin Adámek**
+
+- Twitter: [@B4nan](https://twitter.com/B4nan)
+- Github: [@b4nan](https://github.com/b4nan)
+
+See also the list of contributors who [participated](https://github.com/mikro-orm/mikro-orm/contributors) in this project.
+
+## Show Your Support
+
+Please star this repository if this project helped you!
+
+> If you'd like to support my open-source work, consider sponsoring me directly at [github.com/sponsors/b4nan](https://github.com/sponsors/b4nan).
+
+## License
+
+Copyright © 2018-present [Martin Adámek](https://github.com/b4nan).
+
+This project is licensed under the MIT License - see the [LICENSE file](LICENSE) for details.