Restructure backend into modular API layers with admin/organizador/invitados routes, add role-based middleware, flatten module models, and update build scripts

packages/legacy/tsconfig.build.json

@@ -0,0 +1,10 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "declaration": true,
+    "declarationMap": true,
+    "sourceMap": false,
+    "outDir": "dist"
+  },
+  "exclude": ["node_modules", "test", "dist", "**/*.spec.ts"]
+}