Lint with standardjs

Author: Yukaii

.github/workflows/nodejs.yml

@@ -20,6 +20,7 @@ jobs:
     - name: npm install, build, and test
       run: |
         npm install
+        npm run lint
         npm run build --if-present
         npm test
         npm run test:browser

.vscode/settings.json

@@ -0,0 +1,4 @@
+{
+  "standard.enable": true,
+  "eslint.enable": false
+}