Support markdown makeup in claim description

CHANGELOG.md

@@ -8,7 +8,7 @@ Web UI version numbers should always match the corresponding version of LBRY App
 
 ## [Unreleased]
 ### Added
-  * 
+  * Support markdown makeup in claim description
   *
 
 ### Changed

ui/js/page/filePage/view.jsx

@@ -1,4 +1,5 @@
 import React from "react";
+import ReactMarkdown from "react-markdown";
 import lbry from "lbry.js";
 import lbryuri from "lbryuri.js";
 import Video from "component/video";
@@ -121,7 +122,9 @@ class FilePage extends React.PureComponent {
               </div>
             </div>
             <div className="card__content card__subtext card__subtext card__subtext--allow-newlines">
-              {metadata && metadata.description}
+              <ReactMarkdown
+                source={(metadata && metadata.description) || ""}
+              />
             </div>
           </div>
           {metadata

ui/package.json

@@ -31,6 +31,7 @@
     "rc-progress": "^2.0.6",
     "react": "^15.4.0",
     "react-dom": "^15.4.0",
+    "react-markdown": "^2.5.0",
     "react-modal": "^1.5.2",
     "react-redux": "^5.0.3",
     "redux": "^3.6.0",