chore: add ESLint

Author: Maurice Snip

.eslintrc.js

@@ -0,0 +1,14 @@
+module.exports = {
+    extends: [
+        'eslint:recommended',
+        // 'prettier',
+    ],
+    parser: '@babel/eslint-parser',
+    env: {
+        browser: true,
+        es6: true,
+    },
+    parserOptions: {
+        requireConfigFile: false,
+    },
+};

package.json

@@ -10,5 +10,10 @@
   ],
   "repository": "https://github.com/mauricesnip/sulu-headless-api-client",
   "author": "Maurice Snip",
-  "license": "MIT"
+  "license": "MIT",
+  "devDependencies": {
+    "@babel/core": "^7.21.4",
+    "@babel/eslint-parser": "^7.21.3",
+    "eslint": "^8.38.0"
+  }
 }