Adding ESLint config

.eslintrc.js

@@ -0,0 +1,23 @@
+module.exports = {
+  parser: "babel-eslint",
+  env: {
+    browser: true,
+    es6: true,
+  },
+  globals: {
+    Atomics: 'readonly',
+    SharedArrayBuffer: 'readonly',
+  },
+  parserOptions: {
+    sourceType: "module",
+    allowImportExportEverywhere: false,
+    ecmaFeatures: {
+      globalReturn: false,
+    },
+    babelOptions: {
+      configFile: "./.babelrc",
+    },
+  },
+  rules: {
+  },
+};