AT-10925: switched back to the eslint

https://amplify-education.atlassian.net/browse/AT-10925

.eslintignore

@@ -0,0 +1,2 @@
+node_modules
+dist

.eslintrc.json

@@ -0,0 +1,41 @@
+{
+  "env": {
+    "browser": true,
+    "es2021": true,
+    "commonjs": true,
+    "node": true,
+    "mocha": true
+  },
+  "extends": [
+    "standard",
+    "eslint:recommended",
+    "plugin:@typescript-eslint/eslint-recommended"
+  ],
+  "parser": "@typescript-eslint/parser",
+  "parserOptions": {
+    "ecmaVersion": 2020,
+    "sourceType": "module"
+  },
+  "plugins": [
+    "@typescript-eslint"
+  ],
+  "rules": {
+    "quotes": [
+      "error",
+      "double"
+    ],
+    "semi": [
+      "error",
+      "always"
+    ],
+    "arrow-parens": [
+      "error",
+      "always"
+    ],
+    "complexity": [
+      "error",
+      15
+    ],
+    "guard-for-in": "error"
+  }
+}