Merge remote-tracking branch 'upstream/main'

.github/CONTRIBUTING.md

@@ -1,30 +0,0 @@
-# Thank you for contributing to Delta Chat.
-
-If you like to discuss a **new feature** or submit suggestions,
-please use the community forum:
-
-* <https://support.delta.chat>
-
-If you intend to send a **bug report** for Delta Chat, 
-search for existing bugs first:
-
-* [Core](https://github.com/deltachat/deltachat-core-rust/issues?&q=is%3Aissue)
-* [Android](https://github.com/deltachat/deltachat-android/issues?&q=is%3Aissue)
-* [iOS](https://github.com/deltachat/deltachat-ios/issues?&q=is%3Aissue)
-* [Desktop](https://github.com/deltachat/deltachat-ios/issues?&q=is%3Aissue)
-
-In short, the Android/iOS/Desktop parts are about the User Interface.
-The Core part is about handling the connection to the mail server and the chat 
-or e-mail messages as well as providing secure communication by using 
-[Autocrypt](https://autocrypt.org/en/latest/).
-
-A _bug_ is a reproducable misbehaviour, 
-when something happens but something else should happen instead. 
-
-Please try to create your issue in the respective issue tracker.
-
-Did you know there is a [Help](https://delta.chat/en/help) page for Delta Chat?
-
-To ask questions, you are also invited to join our IRC channel #deltachat
-on [Freenode](https://kiwiirc.com/nextclient/#irc://irc.freenode.net/deltachat).
-