feat: add app serve

src/index.ts

@@ -1,9 +1,9 @@
-import { app } from '@/app.ts';
+import { program } from '@/program.ts';
 import './command/login.ts';
 import './command/logout.ts';
 import './command/ls-token.ts';
 import './command/me.ts';
 import './command/deploy.ts';
+import './command/serve.ts';
 
-
-app.parse(process.argv);
+program.parse(process.argv);