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/config.yaml

@@ -1,13 +1,13 @@
 server:
   host: "0.0.0.0"
-  port: 8081
+  port: 8082
   timeout: 30s
   read_timeout: 10s
   write_timeout: 10s
 
 database:
   mongodb:
-    uri: "mongodb://localhost:27017"
+    uri: "mongodb://admin:admin1234@localhost:27017"
     name: "tender_management"
     timeout: 10s
     max_pool_size: 100
@@ -16,7 +16,7 @@ cache:
   redis:
     host: "localhost"
     port: 6379
-    password: ""
+    password: "admin1234"
     db: 0
     pool_size: 10