refactor: move index.ts inside src

package.json

@@ -7,7 +7,7 @@
     "test": "echo \"Error: no test specified\" && exit 1",
     "build": "npx tsc",
     "start": "node dist/index.js",
-    "dev": "nodemon -L --config nodemon.json index.ts "
+    "dev": "nodemon -L --config nodemon.json src/index.ts "
   },
   "repository": {
     "type": "git",