feat: Google Drive agency sync with auto folder match

Connect marketing@ once, match Drive folders to tenants by name,
list Drive in Activos, and mirror portal uploads to the linked folder.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/app/api/admin/create-client/route.ts

@@ -54,6 +54,7 @@ export async function POST(req: NextRequest) {
           ['clientify', 'Clientify'],
           ['klaviyo', 'Klaviyo'],
           ['mailchimp', 'Mailchimp'],
+          ['google_drive', 'Google Drive'],
         ];
         await fetch(`${url}/rest/v1/integrations`, {
           method: 'POST',