修改部分内容

app/views/repositories/_simple_entry.json.jbuilder

@@ -1,6 +1,7 @@
 file_name = entry['name']
 file_type = file_name.to_s.split(".").last
 direct_download = download_type(file_type)
+image_type = image_type?(file_type)
 json.name file_name
 json.sha entry['sha']
 json.path entry['path']
@@ -10,6 +11,7 @@ json.content entry['content'].present? && !direct_download ? render_decode64_con
 json.target entry['target']
 json.download_url entry['download_url']
 json.direct_download direct_download
+json.image_type image_type
 
 if entry['latest_commit']
   json.partial! 'last_commit', entry: entry