Created basic action logic.

package.json

@@ -4,11 +4,11 @@
   "description": "A GitHub Action to download a tool",
   "main": "dist/index.js",
   "scripts": {
-    "build": "ncc build src/index.ts -o dist --source-map --license res.txt",
+    "build": "esbuild src/index.ts --bundle --platform=node --target=node24 --outfile=dist/index.js --sourcemap",
     "format": "prettier --write '**/*.ts'",
     "format-check": "prettier --check '**/*.ts'",
     "lint": "eslint src/**/*.ts",
-    "package": "ncc build src/index.ts -o dist --source-map --license res.txt",
+    "package": "npm run build",
     "test": "jest",
     "all": "npm run format && npm run lint && npm run test && npm run package"
   },
@@ -28,7 +28,7 @@
   },
   "devDependencies": {
     "@types/node": "^25.0.0",
-    "@vercel/ncc": "^0.38.4",
+    "esbuild": "^0.27.2",
     "typescript": "^5.9.0"
   }
 }