FromContext returns the logger from context, or new logger if not present in context.

NewContext returns a new context with logger.

NewHandler returns configured SlogHandler.

SetupContext creates supplies a context.Context with new Logger instance It handles setting up logging level and log output.

WithCommand returns a Logger supplied with given 'command' field.

WithCommandContext returns a context withe a logger and supplied with given 'command' field.

Handler is a custom slog handler.