[szurubooru] add 'tag' and 'post' extractors (#3583, #3713)

docs/configuration.rst

@@ -2647,6 +2647,17 @@ Description
     Download video files.
 
 
+extractor.[szurubooru].username & .token
+----------------------------------------
+Type
+    ``string``
+Description
+    Username and login token of your account to access private resources.
+
+    To generate a token, visit ``/user/USERNAME/list-tokens``
+    and click ``Create Token``.
+
+
 extractor.tumblr.avatar
 -----------------------
 Type

docs/supportedsites.md

@@ -1232,6 +1232,22 @@ Consider all sites to be NSFW unless otherwise known.
     <td></td>
 </tr>
 
+<tr>
+    <td colspan="4"><strong>szurubooru Instances</strong></td>
+</tr>
+<tr>
+    <td>Foalcon</td>
+    <td>https://booru.foalcon.com/</td>
+    <td>Posts, Tag Searches</td>
+    <td></td>
+</tr>
+<tr>
+    <td>Bcbnsfw</td>
+    <td>https://booru.bcbnsfw.space/</td>
+    <td>Posts, Tag Searches</td>
+    <td></td>
+</tr>
+
 <tr>
     <td colspan="4"><strong>vichan Imageboards</strong></td>
 </tr>