feat: eslint configuration

package.json

@@ -17,11 +17,17 @@
     "tailwindcss": "^4.0.17"
   },
   "devDependencies": {
+    "@eslint/js": "^9.23.0",
     "@preact/preset-vite": "^2.10.1",
+    "@typescript-eslint/parser": "^8.28.0",
+    "eslint": "^9.23.0",
+    "eslint-config-prettier": "^10.1.1",
     "prettier": "^3.5.3",
+    "prettier-eslint": "^16.3.0",
     "prettier-plugin-tailwindcss": "^0.6.11",
     "sass-embedded": "^1.86.0",
     "typescript": "~5.7.2",
+    "typescript-eslint": "^8.28.0",
     "vite": "^6.2.0",
     "vite-tsconfig-paths": "^5.1.4"
   }