feat: initialize NestJS application with global exception handling and request context

- Added nest-cli.json for Nest CLI configuration.
- Created package.json with dependencies and scripts for building, testing, and linting.
- Implemented AppController and AppService with a basic "Hello World!" response.
- Established AppModule with middleware for request ID and global interceptors for response standardization.
- Introduced ContextService for managing request-scoped context using AsyncLocalStorage.
- Developed custom decorators for response messages and standardized error handling with DTOs.
- Implemented global exception filter to handle various HTTP exceptions and Prisma errors.
- Added middleware for generating unique request IDs.
- Configured TypeScript settings for the project.
- Created comprehensive unit and e2e tests for the application.

nest-cli.json

@@ -0,0 +1,8 @@
+{
+  "$schema": "https://json.schemastore.org/nest-cli",
+  "collection": "@nestjs/schematics",
+  "sourceRoot": "src",
+  "compilerOptions": {
+    "deleteOutDir": true
+  }
+}