[FEAT] runs npx eslint --init & set up .eslintrc.json

Author: carlos3g

.eslintrc.json

@@ -0,0 +1,17 @@
+{
+  "env": {
+    "browser": true,
+    "commonjs": true,
+    "es2021": true
+  },
+  "extends": ["airbnb-base", "prettier"],
+  "parserOptions": {
+    "ecmaVersion": 12
+  },
+  "rules": {
+    "prettier/prettier": "error",
+    "no-console": "warn",
+    "no-plusplus": "off"
+  },
+  "plugins": ["prettier"]
+}