feat: new dependency and script to build

Author: fabriciolak

package.json

@@ -4,7 +4,8 @@
   "description": "",
   "main": "index.js",
   "scripts": {
-    "start": "tsx src/index.ts"
+    "start": "tsx src/index.ts",
+    "build": "tsup src/index.ts --format esm,cjs --dts"
   },
   "keywords": [],
   "author": "",
@@ -19,6 +20,7 @@
     "typescript": "^4.9.4"
   },
   "devDependencies": {
+    "tsup": "^6.5.0",
     "tsx": "^3.12.2"
   }
 }