release: proposed docs for 2.16.4 release

I'm being playful on purpose, these are read by real people and gentle humor
is in my opinion the most effective way to keep people reading

changelog.asc

@@ -2,6 +2,19 @@
 :sectanchors:
 = AnkiDroid Changelog
 
+== Version 2.16.4 (20230827)
+* Your dev team is still very excited to be able to release quick fixes for you again!
+* Last big stability release for 2.16 series (see below for main 2.16 info)
+* https://opencollective.com/ankidroid[❤️ We continue to be very thankful for your support]
+* Improved shortcut icons
+* Fix card browser scroll position after editing a card
+* Improve shared deck download handling
+* Fix sound replay on cards
+* Fix deck rebuild not updating UI
+* Synced with https://crowdin.com/project/ankidroid[community language translations]
+* Development for 2.17 is already in progress!
+* Are you stlil reading this? Good luck in your studies 🤓
+
 == Version 2.16.3 (20230818)
 * We meet Play Store requirements again, so we can release fixes quickly again!
 * This is a stability release for the just-released 2.16 series (see below for 2.16 info)