M routes/routes.go

@@ -110,8 +110,11 @@ ext := filepath.Ext(readme)
 		content, _ := gr.FileContent(readme)
 		if len(content) > 0 {
 			switch ext {
-			case ".md":
-				unsafe := blackfriday.Run([]byte(content), blackfriday.WithExtensions(blackfriday.CommonExtensions))
+			case ".md", ".mkd", ".markdown":
+				unsafe := blackfriday.Run(
+					[]byte(content),
+					blackfriday.WithExtensions(blackfriday.CommonExtensions),
+				)

… preview truncated

M static/style.css

@@ -162,6 +162,10 @@ .readme ul {
   padding: revert;
 }
 
+.readme img {
+  max-width: 100%;
+}
+
 .diff {
   margin: 1rem 0 1rem 0;
   padding: 1rem 0 1rem 0;