improved eslint

package.json

@@ -25,7 +25,7 @@
     "svelte:preview": "vite preview"
   },
   "lint-staged": {
-    "*": [
+    "*.{ts,svelte,cjs,js,json,postcss}": [
       "prettier --write",
       "eslint"
     ]
@@ -46,6 +46,7 @@
     "daisyui": "^2.28.0",
     "eslint": "^8.23.1",
     "eslint-config-prettier": "^8.5.0",
+    "eslint-plugin-json": "^3.1.0",
     "eslint-plugin-svelte3": "^4.0.0",
     "eslint-plugin-unused-imports": "^2.0.0",
     "husky": "^8.0.1",