add newline-after-var rule to eslint config

demos/src/GuideNodeViews/JavaScript/Vue/Extension.js

@@ -45,16 +45,20 @@ export default Node.create({
       */
 
       const dom = document.createElement('div')
+
       dom.classList.add('node-view')
 
       const label = document.createElement('span')
+
       label.classList.add('label')
       label.innerHTML = 'Node view'
 
       const content = document.createElement('div')
+
       content.classList.add('content')
 
       const button = document.createElement('button')
+
       button.innerHTML = `This button has been clicked ${node.attrs.count} times.`
       button.addEventListener('click', () => {
         if (typeof getPos === 'function') {

demos/src/GuideNodeViews/JavaScriptContent/Vue/Extension.js

@@ -31,14 +31,17 @@ export default Node.create({
       */
 
       const dom = document.createElement('div')
+
       dom.classList.add('node-view')
 
       const label = document.createElement('span')
+
       label.classList.add('label')
       label.innerHTML = 'Node view'
       label.contentEditable = false
 
       const content = document.createElement('div')
+
       content.classList.add('content')
 
       dom.append(label, content)