frontend linting

.eslintrc.js

@@ -0,0 +1,21 @@
+module.exports = {
+  env: {
+    browser: true,
+    es2021: true,
+  },
+  extends: ["eslint:recommended", "plugin:@typescript-eslint/recommended"],
+  parser: "@typescript-eslint/parser",
+  parserOptions: {
+    ecmaVersion: 12,
+    sourceType: "module",
+  },
+  plugins: ["@typescript-eslint"],
+  rules: {
+    "@typescript-eslint/no-explicit-any": "off",
+    "@typescript-eslint/ban-types": "off",
+    indent: ["error", 2],
+    "linebreak-style": ["error", "unix"],
+    quotes: ["error", "double"],
+    semi: ["error", "always"],
+  },
+};