Initial frontend setup

frontend/eslint.config.js

@@ -0,0 +1,30 @@
+import pluginVue from 'eslint-plugin-vue'
+import vueTsEslintConfig from '@vue/eslint-config-typescript'
+
+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/recommended'],
+  ...vueTsEslintConfig(),
+
+  {
+    rules: {
+      '@typescript-eslint/no-unused-expressions': [
+        'error',
+        {
+          allowShortCircuit: true,
+          allowTernary: true,
+        },
+      ],
+      'vue/multi-word-component-names': 'off',
+    }
+  }
+]