Merge branch 'whalebird' into 'develop'

Add Whalebird as a client application in README

See merge request pleroma/pleroma!447

README.md

@@ -8,7 +8,7 @@ Pleroma is written in Elixir, high-performance and can run on small devices like
 
 For clients it supports both the [GNU Social API with Qvitter extensions](https://twitter-api.readthedocs.io/en/latest/index.html) and the [Mastodon client API](https://github.com/tootsuite/documentation/blob/master/Using-the-API/API.md).
 
-Mobile clients that are known to work well:
+Client applications that are known to work well:
 
 * Twidere
 * Tusky
@@ -17,6 +17,7 @@ Mobile clients that are known to work well:
 * Amaroq (iOS)
 * Tootdon (Android + iOS)
 * Tootle (iOS)
+* Whalebird (Windows + Mac + Linux)
 
 No release has been made yet, but several servers have been online for months already. If you want to run your own server, feel free to contact us at @lain@pleroma.soykaf.com or in our dev chat at #pleroma on freenode or via matrix at https://matrix.heldscal.la/#/room/#freenode_#pleroma:matrix.org.