refactor to place UI in the ui folder

ui/eslint.config.js

@@ -0,0 +1,31 @@
+import pluginVue from 'eslint-plugin-vue'
+import vueTsEslintConfig from '@vue/eslint-config-typescript'
+import pluginVitest from '@vitest/eslint-plugin'
+import pluginPlaywright from 'eslint-plugin-playwright'
+import skipFormatting from '@vue/eslint-config-prettier/skip-formatting'
+
+export default [
+  {
+    name: 'app/files-to-lint',
+    files: ['**/*.{ts,mts,tsx,vue}'],
+  },
+
+  {
+    name: 'app/files-to-ignore',
+    ignores: ['**/dist/**', '**/dist-ssr/**', '**/coverage/**'],
+  },
+
+  ...pluginVue.configs['flat/essential'],
+  ...vueTsEslintConfig(),
+  
+  {
+    ...pluginVitest.configs.recommended,
+    files: ['src/**/__tests__/*'],
+  },
+  
+  {
+    ...pluginPlaywright.configs['flat/recommended'],
+    files: ['e2e/**/*.{test,spec}.{js,ts,jsx,tsx}'],
+  },
+  skipFormatting,
+]