ConnectionURLBuilder func for building URL connection.

ErrorHandler is a custom error handler for Fiber.

NewValidator func for create a new validator for model fields.

PascalCaseToCamelcase converts a PascalCase string to camelCase.

StartServer func for starting a simple server.

StartServerWithGracefulShutdown function for starting server with a graceful shutdown.

StringToUint function to convert string to uint.

ValidatorErrors func for show validation errors for each invalid fields.