Adding thumb icon

website/src/ui/Icon.js

@@ -18,6 +18,7 @@ export default class Icon extends Component {
 
   static svgs = {
     logout: require('icons/logout.svg'),
+    thumb: require('icons/thumb.svg'),
     profile: require('icons/profile.svg'),
     admin: require('icons/admin.svg'),
     hand: require('icons/hand.svg'),