[furry34] add support (#1078 #7018)

docs/supportedsites.md

@@ -289,6 +289,12 @@ Consider all listed sites to potentially be NSFW.
     <td>Favorites, Followed Users, Galleries, Posts, Scraps, Search Results, New Submissions, User Profiles</td>
     <td><a href="https://github.com/mikf/gallery-dl#cookies">Cookies</a></td>
 </tr>
+<tr>
+    <td>Furry 34 com</td>
+    <td>https://furry34.com/</td>
+    <td>Playlists, Posts, Tag Searches</td>
+    <td></td>
+</tr>
 <tr>
     <td>Fuskator</td>
     <td>https://fuskator.com/</td>