Define pnpm workspace and scope dev script to backend and frontend

package.json

@@ -6,23 +6,22 @@
   "author": "Marko Marković <okram@civokram.com>",
   "license": "MIT",
   "scripts": {
-    "dev": "ultra -r dev"
+    "dev": "pnpm --parallel --filter=./backend --filter=./frontend run dev"
   },
   "engines": {
     "node": ">=22",
     "pnpm": ">=10"
   },
   "packageManager": "pnpm@10.33.2",
-  "devDependencies": {
-    "ultra-runner": "3.10.5"
-  },
   "pnpm": {
     "onlyBuiltDependencies": [
       "argon2",
       "sqlite3",
       "sharp",
       "esbuild",
-      "keyv"
+      "keyv",
+      "isolated-vm",
+      "protobufjs"
     ]
   }
 }