added eslint to clean up the project later

.eslintignore

@@ -0,0 +1,34 @@
+{
+  "root": true,
+  "env": {
+    "browser": true,
+    "commonjs": true,
+    "node": true,
+    "es6": true
+  },
+  "rules": {
+    "no-duplicate-case": "error",
+    "no-empty": "error",
+    "no-extra-semi": "error",
+    "no-func-assign": "error",
+    "no-irregular-whitespace": "error",
+    "no-unreachable": "error",
+    "curly": "error",
+    "dot-notation": "error",
+    "eqeqeq": "error",
+    "no-empty-function": "error",
+    "no-multi-spaces": "error",
+    "no-mixed-spaces-and-tabs": "error",
+    "no-trailing-spaces": "error",
+    "default-case": "error",
+    "no-fallthrough": "error",
+    "no-unused-vars": "error",
+    "no-use-before-define": "error",
+    "no-redeclare": "error",
+    "brace-style": "error",
+    "indent": ["error", 2],
+    "quotes": ["error", "single"],
+    "semi": ["error", "always"],
+    "radix": "off"
+  }
+}

.eslintrc.json

@@ -0,0 +1,39 @@
+{
+    "root": true,
+    "env": {
+      "browser": true,
+      "commonjs": true,
+      "node": true,
+      "es2021": true,
+      "es6": true
+    },
+    "extends": "eslint:recommended",
+    "parserOptions": {
+      "ecmaVersion": 2021
+    },
+    "rules": {
+      "no-duplicate-case": "error",
+      "no-empty": "error",
+      "no-extra-semi": "error",
+      "no-func-assign": "error",
+      "no-irregular-whitespace": "error",
+      "no-unreachable": "error",
+      "curly": "error",
+      "dot-notation": "error",
+      "eqeqeq": "error",
+      "no-empty-function": "error",
+      "no-multi-spaces": "error",
+      "no-mixed-spaces-and-tabs": "error",
+      "no-trailing-spaces": "error",
+      "default-case": "error",
+      "no-fallthrough": "error",
+      "no-unused-vars": "error",
+      "no-use-before-define": "error",
+      "no-redeclare": "error",
+      "brace-style": "error",
+      "indent": ["error", 2],
+      "quotes": ["error", "single"],
+      "semi": ["error", "always"],
+      "radix": "off"
+    }
+  }