fix: Fix unresponsive image in vote page (#4416)

* Fix unresponsive image scale in vote page

* Create renderer function for Image

src/pages/Vote/VotePage.tsx

@@ -260,6 +260,10 @@ export default function VotePage() {
     return <span>{content}</span>
   }
 
+  function MarkdownImage({ ...rest }) {
+    return <img {...rest} style={{ width: '100%', height: '100$', objectFit: 'cover' }} alt="" />
+  }
+
   return (
     <Trace page={PageName.VOTE_PAGE} shouldLogImpression>
       <>
@@ -468,7 +472,12 @@ export default function VotePage() {
                 <Trans>Description</Trans>
               </ThemedText.DeprecatedMediumHeader>
               <MarkDownWrapper>
-                <ReactMarkdown source={proposalData?.description} />
+                <ReactMarkdown
+                  source={proposalData?.description}
+                  renderers={{
+                    image: MarkdownImage,
+                  }}
+                />
               </MarkDownWrapper>
             </AutoColumn>
             <AutoColumn gap="md">