frontend: cleanup

* dummy commit

* cleanup workflows

* setup and run eslint

* add linter to CI

* use eslint for formatting

* reorder rules

* drop editor config

frontend/.eslintrc.js

@@ -0,0 +1,51 @@
+module.exports = {
+  env: {
+    browser: true,
+    es2021: true,
+    node: true,
+  },
+  extends: [
+    "eslint:recommended",
+    "plugin:vue/essential",
+    "plugin:@typescript-eslint/recommended",
+    "@nuxtjs/eslint-config-typescript",
+    "plugin:vue/vue3-recommended",
+    "plugin:prettier/recommended",
+  ],
+  parserOptions: {
+    ecmaVersion: "latest",
+    parser: "@typescript-eslint/parser",
+    sourceType: "module",
+  },
+  plugins: ["vue", "@typescript-eslint"],
+  rules: {
+    "no-console": 0,
+    "no-unused-vars": "off",
+    "vue/multi-word-component-names": "off",
+    "vue/no-setup-props-destructure": 0,
+    "vue/no-multiple-template-root": 0,
+    "vue/no-v-model-argument": 0,
+    "@typescript-eslint/ban-ts-comment": 0,
+    "@typescript-eslint/no-unused-vars": [
+      "error",
+      {
+        ignoreRestSiblings: true,
+        destructuredArrayIgnorePattern: "_",
+        caughtErrors: "none",
+      },
+    ],
+    "prettier/prettier": [
+      "warn",
+      {
+        arrowParens: "avoid",
+        semi: true,
+        tabWidth: 2,
+        useTabs: false,
+        vueIndentScriptAndStyle: true,
+        singleQuote: false,
+        trailingComma: "es5",
+        printWidth: 120,
+      },
+    ],
+  },
+};