chore: update Node version and enhance debugging capabilities

- Removed .nvmrc file to eliminate version locking.
- Updated Dockerfile to use Node 22.6.0-alpine for improved performance and security.
- Modified package.json to enhance the 'start:dev' script with debugging options.
- Added new launch configuration in VSCode for attaching to Node processes by PID.
- Cleaned up settings.json by removing unused configurations.
- Refactored main.ts to simplify the bootstrap process.
- Enhanced logging in OrderSchema and ScheduleSchema for better traceability of operations.

src/main.ts

@@ -82,7 +82,5 @@ async function bootstrap() {
     Logger.log(`Server is running on http://${host}:${port}`, 'Bootstrap')
   })
 }
-// IIFE
-;(async () => {
-  await bootstrap()
-})()
+
+bootstrap()