Update Configuration and Enhance Tender Approval Pagination

- Changed the server port from 8081 to 8082 for the web application.
- Updated MongoDB URI to include authentication credentials for improved security.
- Added new query parameters `limit` and `offset` for pagination in tender approval retrieval, enhancing the API's flexibility.
- Modified the response structure to include metadata for pagination, improving the clarity of responses.
- Updated API documentation to reflect the new pagination parameters and response format, ensuring consistency for API consumers.

cmd/web/main.go

@@ -12,7 +12,7 @@ package main
 // @license.name MIT
 // @license.url https://opensource.org/licenses/MIT
 
-// @host localhost:8081
+// @host localhost:8082
 // @BasePath /
 
 // @securityDefinitions.apikey BearerAuth