chore: add test script

Author: devsheva

package.json

@@ -3,5 +3,8 @@
 		"prettier": "3.3.3",
 		"typescript": "^5.5.4",
 		"vitest": "^2.0.5"
+	},
+	"scripts": {
+		"test": "vitest"
 	}
 }