Added pro feed

• Added:
- pro feed

app/javascript/gabsocial/features/pro_timeline.js

@@ -0,0 +1,60 @@
+import { defineMessages, injectIntl } from 'react-intl'
+import { expandProTimeline } from '../actions/timelines'
+import { connectProStream } from '../actions/streaming'
+import StatusList from '../components/status_list'
+
+const messages = defineMessages({
+  empty: { id: 'empty_column.pro', defaultMessage: 'The pro timeline is empty.' },
+})
+
+export default
+@injectIntl
+@connect(null)
+class ProTimeline extends PureComponent {
+
+  static contextTypes = {
+    router: PropTypes.object,
+  }
+
+  static propTypes = {
+    dispatch: PropTypes.func.isRequired,
+    intl: PropTypes.object.isRequired,
+  }
+
+  componentDidMount () {
+    const { dispatch } = this.props
+
+    dispatch(expandProTimeline())
+
+    this.disconnect = dispatch(connectProStream())
+  }
+
+  componentWillUnmount() {
+		if (this.disconnect) {
+			this.disconnect()
+			this.disconnect = null
+		}
+  }
+  
+  handleLoadMore = (maxId) => {
+    const { dispatch } = this.props
+
+    dispatch(expandProTimeline({ maxId }))
+  }
+
+  render () {
+    const { intl } = this.props
+
+    const emptyMessage = intl.formatMessage(messages.empty)
+
+    return (
+      <StatusList
+        scrollKey='pro_timeline'
+        timelineId='pro'
+        onLoadMore={this.handleLoadMore}
+        emptyMessage={emptyMessage}
+      />
+    )
+  }
+
+}