Refactor Tender Management API Endpoints and Update Documentation

- Renamed and restructured tender-related API endpoints for improved clarity and consistency, including changing the route from `/admin/tenders` to `/admin/v1/companies` and updating the associated methods.
- Introduced a new SearchForm structure for listing tenders with advanced filtering capabilities, enhancing the API's search functionality.
- Updated the service and repository layers to align with the new endpoint structure, ensuring proper handling of tender data.
- Enhanced Swagger and YAML documentation to reflect the changes in endpoint structure, including detailed descriptions and examples for the new search functionality.
- Improved error handling and response structures to provide clearer feedback to API consumers, ensuring a more robust and user-friendly experience.

cmd/web/router/routes.go

@@ -85,10 +85,10 @@ func RegisterAdminRoutes(e *echo.Echo, userHandler *user.Handler, companyHandler
 	tendersGP := adminV1.Group("/tenders")
 	{
 		tendersGP.Use(userHandler.AuthMiddleware())
-		tendersGP.GET("", tenderHandler.ListTenders)
-		tendersGP.GET("/:id", tenderHandler.GetTender)
-		tendersGP.PUT("/:id", tenderHandler.UpdateTender)
-		tendersGP.DELETE("/:id", tenderHandler.DeleteTender)
+		tendersGP.GET("", tenderHandler.Search)
+		tendersGP.GET("/:id", tenderHandler.Get)
+		tendersGP.PUT("/:id", tenderHandler.Update)
+		tendersGP.DELETE("/:id", tenderHandler.Delete)
 	}
 
 	// Admin Feedback Routes