Added comment about lacking GHE support

packages/cli/src/commands/create-github-app/index.ts

@@ -20,6 +20,9 @@ import { stringify as stringifyYaml } from 'yaml';
 import { paths } from '../../lib/paths';
 import { GithubCreateAppServer } from './GithubCreateAppServer';
 
+// This is an experimental command that at this point does not support GitHub Enterprise
+// due to lacking support for creating apps from manifests.
+// https://docs.github.com/en/free-pro-team@latest/developers/apps/creating-a-github-app-from-a-manifest
 export default async (org: string) => {
   const { slug, name, ...config } = await GithubCreateAppServer.run({ org });