fix: add missing release script

package.json

@@ -1,6 +1,7 @@
 {
   "name": "sarlink-portal",
   "version": "0.1.0",
+  "type": "module",
   "private": true,
   "scripts": {
     "dev": "next dev --turbopack",
@@ -56,6 +57,7 @@
   },
   "devDependencies": {
     "@biomejs/biome": "2.0.6",
+    "@release-it/conventional-changelog": "^10.0.1",
     "@types/node": "^22.10.2",
     "@types/react": "^19.1.0",
     "@types/react-dom": "^19.1.2",