Add ESLint cache and improve lint-staged performance

Co-authored-by: kalwalt <[email protected]>

Author: Copilot

.gitignore

@@ -1,4 +1,5 @@
 node_modules
 dist
 .idea/
-coverage/
+coverage/
+.eslintcache

package.json

@@ -71,7 +71,7 @@
       "prettier --write"
     ],
     "*.{js,jsx,ts,tsx}": [
-      "eslint --fix"
+      "eslint --fix --cache"
     ]
   }
 }