refactor file structure

browser/main/modals/Preferences/ContactTab.js

@@ -0,0 +1,24 @@
+import React from 'react'
+import ReactDOM from 'react-dom'
+import linkState from 'browser/lib/linkState'
+import ExternalLink from 'browser/components/ExternalLink'
+
+export default class ContactTab extends React.Component {
+  componentDidMount () {
+    let titleInput = ReactDOM.findDOMNode(this.refs.title)
+    if (titleInput != null) titleInput.focus()
+  }
+
+  render () {
+    return (
+      <div className='ContactTab content'>
+        <div className='title'>Contact</div>
+        <p>
+          - Issues: <ExternalLink href='https://github.com/BoostIO/Boostnote/issues'>https://github.com/BoostIO/Boostnote/issues</ExternalLink>
+        </p>
+      </div>
+    )
+  }
+}
+
+ContactTab.prototype.linkState = linkState