add linter and packed output

frontend/package.json

@@ -10,6 +10,7 @@
     "dev": "vite --force",
     "build": "vite build --emptyOutDir",
     "preview": "vite preview",
+    "lint": "eslint src/",
     "test": "node --test tests/**/*.test.mjs",
     "test:coverage": "c8 --reporter=text --reporter=lcov node --test tests/**/*.test.mjs"
   },
@@ -22,8 +23,11 @@
     "three": "^0.183.2"
   },
   "devDependencies": {
+    "@eslint/js": "^9.39.4",
     "@vitejs/plugin-react": "^4.3.0",
     "c8": "^10.1.3",
+    "eslint": "^9.39.4",
+    "eslint-plugin-react-hooks": "^5.2.0",
     "vite": "^5.4.0"
   }
 }