feat(docs): update ESLint configuration to include additional directories

- Added '.open-next/**', '.wrangler/**', and 'cloudflare-env.d.ts' to the ESLint configuration for improved linting coverage of new files and directories.

apps/docs/eslint.config.mjs

@@ -10,6 +10,9 @@ const eslintConfig = defineConfig([
     'next-env.d.ts',
     '.source/**',
     'public/product-demo/**',
+    '.open-next/**',
+    '.wrangler/**',
+    'cloudflare-env.d.ts',
   ]),
 ]);