fix(core): Point users to the official documentation when they use n8n --help (#8440)

packages/cli/src/help.ts

@@ -0,0 +1,11 @@
+import { Help } from '@oclif/core';
+
+// oclif expects a default export
+// eslint-disable-next-line import/no-default-export
+export default class CustomHelp extends Help {
+	async showRootHelp() {
+		console.log(
+			'You can find up to date information about the CLI here:\nhttps://docs.n8n.io/hosting/cli-commands/',
+		);
+	}
+}