feat(cli): add threads oauth registration guide (#753)

* feat(cli): add threads oauth registration guide (#403)

* fix(cli): specify business app type for Meta Threads guide

Author: mohammed054

packages/cli/src/commands/promote.ts

@@ -350,6 +350,22 @@ const OAUTH_REGISTRATION_GUIDES: OAuthRegistrationGuide[] = [
       'Note your App ID and App Secret from Settings → Basic',
     ],
   },
+  {
+    platform: 'threads',
+    label: 'Threads (Meta)',
+    url: 'https://developers.facebook.com/apps/',
+    docUrl: 'https://developers.facebook.com/docs/threads',
+    redirectUris: ['http://127.0.0.1:8765/callback', 'https://sh1pt.com/auth/callback'],
+    scopes: ['threads_basic', 'threads_content_publish'],
+    steps: [
+      'Go to https://developers.facebook.com/apps/ and click "Create App"',
+      'Choose "Business" as the app type',
+      'Add the "Threads API" product to the app',
+      'Under "Settings → Basic", note your App ID and App Secret',
+      'Under "Threads API → Settings", add the redirect URIs listed below to "Valid OAuth Redirect URIs"',
+      'Ensure "threads_basic" and "threads_content_publish" permissions are configured',
+    ],
+  },
   {
     platform: 'tiktok',
     label: 'TikTok',