feat(task1): restructure directories for turborepo monorepo

- Move backend/ to apps/server/ via git mv
- Move frontend/ to apps/admin/ via git mv
- Create packages/typescript-config/ with base, nestjs, and react-vite presets

apps/server/src/occupancies/occupancies.module.ts

@@ -0,0 +1,17 @@
+import { Module } from '@nestjs/common';
+import { TypeOrmModule } from '@nestjs/typeorm';
+import { Occupancy } from '../entities/occupancy.entity';
+import { Room } from '../entities/room.entity';
+import { Student } from '../entities/student.entity';
+import { Deposit } from '../entities/deposit.entity';
+import { OccupanciesService } from './occupancies.service';
+import { OccupanciesController } from './occupancies.controller';
+import { OperationLogsModule } from '../operation-logs/operation-logs.module';
+
+@Module({
+  imports: [TypeOrmModule.forFeature([Occupancy, Room, Student, Deposit]), OperationLogsModule],
+  controllers: [OccupanciesController],
+  providers: [OccupanciesService],
+  exports: [OccupanciesService],
+})
+export class OccupanciesModule {}