Backport changes from Cloudproxy (#11)

.eslintrc.js

@@ -0,0 +1,15 @@
+module.exports = {
+  env: {
+    browser: true,
+    commonjs: true,
+    es2020: true
+  },
+  extends: [
+    'standard'
+  ],
+  parserOptions: {
+    ecmaVersion: 11
+  },
+  rules: {
+  }
+}