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/service/fake_service.go

@@ -15,6 +15,8 @@ type fakeRegistryService struct {
 }
 
 // NewFakeRegistryService creates a new fake registry service with pre-populated data
+//
+//nolint:ireturn // Factory function intentionally returns interface for dependency injection
 func NewFakeRegistryService() RegistryService {
 	// Sample registry entries with updated model structure
 	registries := []*model.Server{

internal/service/registry_service.go

@@ -14,6 +14,8 @@ type registryServiceImpl struct {
 }
 
 // NewRegistryServiceWithDB creates a new registry service with the provided database
+//
+//nolint:ireturn // Factory function intentionally returns interface for dependency injection
 func NewRegistryServiceWithDB(db database.Database) RegistryService {
 	return &registryServiceImpl{
 		db: db,