Updated TODO.

TODO.md

@@ -6,6 +6,8 @@ Add an ?skip=NNN parameter to the admin page, to see older timeline.
 
 Add support for Edit + Note.
 
+Add domain/subdomain flexibility according to https://codeberg.org/grunfink/snac2/issues/3
+
 Add support for uploading the avatar, instead of needing an URL to an image. As a kludgy workaround, you can post something with an attached image, copy the auto-generated URL and use it. You can even delete the post, as attached images are never deleted (I said it was kludgy).
 
 Add (back) the possibility to attach an image by URL.