Add first version of roadmap

app/javascript/components/Roadmap/PostListItem.tsx

@@ -0,0 +1,19 @@
+import * as React from 'react';
+
+import '../../stylesheets/components/Roadmap/PostListItem.scss';
+
+interface Props {
+  title: string;
+  boardName: string;
+}
+
+const PostListItem = ({title, boardName}: Props) => (
+  <a href="#" className="postLink">
+    <div className="postListItem">
+      <div className="postTitle">{title}</div>
+      <div className="postBoard">{boardName}</div>
+    </div>
+  </a>
+);
+
+export default PostListItem;