add doodle button

Author: WiFuchs

src/annotator/components/toolbar.js

@@ -133,6 +133,11 @@ export default function Toolbar({
             icon={newAnnotationType === 'note' ? 'note' : 'annotate'}
             onClick={createAnnotation}
           />
+          <ToolbarButton
+            label={'New Doodle'}
+            icon={'doodle'}
+            onClick={() => {alert("this would create a doodle!")}}
+          />
         </div>
       )}
     </div>

src/annotator/icons.js

@@ -15,4 +15,5 @@ export default {
   note: require('../images/icons/note.svg'),
   pointer: require('../images/icons/pointer.svg'),
   show: require('../images/icons/show.svg'),
+  doodle: require('../images/icons/doodle.svg')
 };