Add TimeZone module with controller and service

src/timezone/controllers/index.ts

@@ -0,0 +1 @@
+export * from './timezone.controller';

src/timezone/controllers/timezone.controller.ts

@@ -0,0 +1,33 @@
+import {
+  Controller,
+  Get,
+  HttpException,
+  HttpStatus,
+  UseGuards,
+} from '@nestjs/common';
+import { TimeZoneService } from '../services/timezone.service';
+import { ApiTags, ApiBearerAuth } from '@nestjs/swagger';
+import { JwtAuthGuard } from '../../../libs/common/src/guards/jwt.auth.guard';
+
+@ApiTags('TimeZone Module')
+@Controller({
+  version: '1',
+  path: 'timezone',
+})
+export class TimeZoneController {
+  constructor(private readonly timeZoneService: TimeZoneService) {}
+
+  @ApiBearerAuth()
+  @UseGuards(JwtAuthGuard)
+  @Get()
+  async getAllTimeZones() {
+    try {
+      return await this.timeZoneService.getAllTimeZones();
+    } catch (error) {
+      throw new HttpException(
+        error.message || 'Internal server error',
+        error.status || HttpStatus.INTERNAL_SERVER_ERROR,
+      );
+    }
+  }
+}