refactor: restructure

monorepo with apps/ and services/
  directories

mana-core-auth/src/app.module.ts

@@ -1,32 +0,0 @@
-import { Module } from '@nestjs/common';
-import { ConfigModule } from '@nestjs/config';
-import { ThrottlerModule } from '@nestjs/throttler';
-import { APP_FILTER } from '@nestjs/core';
-import configuration from './config/configuration';
-import { AuthModule } from './auth/auth.module';
-import { CreditsModule } from './credits/credits.module';
-import { HttpExceptionFilter } from './common/filters/http-exception.filter';
-
-@Module({
-  imports: [
-    ConfigModule.forRoot({
-      isGlobal: true,
-      load: [configuration],
-    }),
-    ThrottlerModule.forRoot([
-      {
-        ttl: 60000, // 60 seconds
-        limit: 100, // 100 requests per minute
-      },
-    ]),
-    AuthModule,
-    CreditsModule,
-  ],
-  providers: [
-    {
-      provide: APP_FILTER,
-      useClass: HttpExceptionFilter,
-    },
-  ],
-})
-export class AppModule {}