Integrated MD Preview component with mediaproxy

src/components/Widgets/MarkdownPreview.js

@@ -2,6 +2,15 @@ import React, { PropTypes } from 'react';
 import { getSyntaxes } from './richText';
 import MarkitupReactRenderer from './MarkitupReactRenderer';
 
+const schema = {
+  'mediaproxy': ({ token }) => (
+    <img
+        src={token.getIn(['data', 'src'])}
+        alt={token.getIn(['data', 'alt'])}
+    />
+  )
+};
+
 const MarkdownPreview = ({ value }) => {
   if (value == null) {
     return null;
@@ -12,6 +21,7 @@ const MarkdownPreview = ({ value }) => {
     <MarkitupReactRenderer
         value={value}
         syntax={markdown}
+        schema={schema}
     />
   );
 };