Add modular admin CRUD UI, fix MikroORM migrations/config and update static admin routing

mikro-orm.config.js

@@ -0,0 +1,18 @@
+const { PostgreSqlDriver } = require('@mikro-orm/postgresql');
+
+/** @type {import('@mikro-orm/core').MikroORMOptions} */
+module.exports = {
+  driver: PostgreSqlDriver,
+  host: process.env.DB_HOST || 'localhost',
+  port: Number(process.env.DB_PORT) || 5432,
+  user: process.env.DB_USER || 'postgres',
+  password: process.env.DB_PASSWORD || 'postgres',
+  dbName: process.env.DB_NAME || 'planner',
+  autoLoadEntities: true,
+  entities: ['./dist/**/*.entity.js'],
+  migrations: {
+    path: './dist/migrations',
+    transactional: true,
+    emit: 'js',
+  },
+};