Improve ESLint configuration performance

- Add ignores for system folders (.next, node_modules, build, dist)
- Add ignores for config files (*.config.js, *.config.mjs)
- Speed up ESLint by excluding non-source files from checks

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

eslint.config.mjs

@@ -12,6 +12,14 @@ const compat = new FlatCompat({
 const eslintConfig = [
   ...compat.extends("next/core-web-vitals", "next/typescript"),
   {
+    ignores: [
+      ".next/**/*",
+      "node_modules/**/*",
+      "build/**/*", 
+      "dist/**/*",
+      "*.config.js",
+      "*.config.mjs"
+    ],
     rules: {
       // TypeScript правила
       "@typescript-eslint/no-explicit-any": "warn",