[feat-cmd]: npm start

Author: Prayag2003

package.json

@@ -4,7 +4,8 @@
   "description": "Monitor GitHub public repos and get email notifications via Resend",
   "main": "tracker.js",
   "scripts": {
-    "start": "node tracker.js"
+    "start": "node tracker.js",
+    "dev": "node --watch tracker.js"
   },
   "dependencies": {
     "dotenv": "^16.4.7",