clean build folder on build (#25)

Author: khromov

package-lock.json

@@ -10,7 +10,7 @@
     "node": ">=20.0.0"
   },
   "scripts": {
-    "build": "tsc",
+    "build": "rimraf dist/ && tsc",
     "start": "ts-node src/index.ts",
     "prepublishOnly": "npm run build",
     "test": "jest --config jest.config.js",
@@ -28,6 +28,7 @@
     "@types/node": "^22",
     "jest": "^29.7.0",
     "prettier": "^3.5.3",
+    "rimraf": "^6.0.1",
     "ts-jest": "^29.3.2",
     "ts-node": "^10.9.2",
     "typescript": "^5.8.3"