Fixed linter errors and fixed tests

- Added error handling for JSON encoding in ServersHandler and ServersDetailHandler.
- Updated test cases to reflect changes in handler functions and improved mock expectations.
- Refactored server initialization to include ReadHeaderTimeout for better request handling.
- Modified GitHubDeviceAuth to accept context in ValidateToken and checkOrgMembership methods.
- Improved error messages in database import functions for better debugging.
- Updated memory and mongo database list functions to accept context and improved filtering logic.
- Enhanced logging in publisher tool for better visibility during execution.
- Cleaned up code formatting and comments for better readability and maintainability.

internal/api/server.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"log"
 	"net/http"
+	"time"
 
 	"github.com/modelcontextprotocol/registry/internal/api/router"
 	"github.com/modelcontextprotocol/registry/internal/auth"
@@ -31,8 +32,9 @@ func NewServer(cfg *config.Config, registryService service.RegistryService, auth
 		authService: authService,
 		router:      mux,
 		server: &http.Server{
-			Addr:    cfg.ServerAddress,
-			Handler: mux,
+			Addr:              cfg.ServerAddress,
+			Handler:           mux,
+			ReadHeaderTimeout: 10 * time.Second,
 		},
 	}