Construct timeline

src/componets/Timeline.js

@@ -0,0 +1,16 @@
+import React from "react";
+
+export default class Timeline extends React.Component {
+  constructor(props) {
+    super(props);
+    this.items = props.children;
+  }
+
+  componentDidMount() {}
+
+  render() {
+    return <div className="timeline">
+        {this.items}
+    </div>;
+  }
+}