[cohost] add 'user' and 'post' extractors (#4483)

docs/configuration.rst

@@ -1486,6 +1486,46 @@ Description
     ``gallery``.
 
 
+extractor.cohost.asks
+---------------------
+Type
+    ``bool``
+Default
+    ``true``
+Description
+    Extract ``ask`` posts.
+
+
+extractor.cohost.pinned
+-----------------------
+Type
+    ``bool``
+Default
+    ``false``
+Description
+    Extract pinned posts.
+
+
+extractor.cohost.replies
+------------------------
+Type
+    ``bool``
+Default
+    ``true``
+Description
+    Extract reply posts.
+
+
+extractor.cohost.shares
+-----------------------
+Type
+    ``bool``
+Default
+    ``false``
+Description
+    Extract shared posts.
+
+
 extractor.cyberdrop.domain
 --------------------------
 Type

docs/supportedsites.md

@@ -151,6 +151,12 @@ Consider all listed sites to potentially be NSFW.
     <td>Articles, Creators, Followed Users, Recent Images</td>
     <td></td>
 </tr>
+<tr>
+    <td>cohost!</td>
+    <td>https://cohost.org/</td>
+    <td>Posts, User Profiles</td>
+    <td></td>
+</tr>
 <tr>
     <td>Comic Vine</td>
     <td>https://comicvine.gamespot.com/</td>