fix missing identifier value in tauri.conf.json

Co-Authored-By: Warp <agent@warp.dev>

Author: ComputelessComputer

src-tauri/tauri.conf.json

@@ -2,8 +2,8 @@
   "$schema": "https://schema.tauri.app/config/2",
   "productName": "Philo",
   "version": "0.0.18",
-  "identifier"
-  "build": {
+  "identifier": "com.johnjeong.philo",
+  "build":
     "beforeDevCommand": "bun run dev",
     "devUrl": "http://localhost:1421",
     "beforeBuildCommand": "bun run build",