Use local eslint in frontend

frontend/eslint.config.js

@@ -0,0 +1,22 @@
+import globals from 'globals';
+import js  from '@eslint/js';
+import pluginVue from 'eslint-plugin-vue';
+
+export default [
+    js.configs.recommended,
+    ...pluginVue.configs['flat/recommended'],
+    {
+        files: ["**/*.js"],
+        languageOptions: {
+            globals: {
+                ...globals.browser,
+            },
+            ecmaVersion: 13,
+            sourceType: 'module'
+        },
+        rules: {
+            semi: "error",
+            "prefer-const": "error"
+        }
+    }
+];