Automatic remove of old messages

[Olangu]

Checklist

• [X] I made sure that there are no existing issues - open or closed - to which I could contribute my information.
• [X] I made sure that there are no existing discussions - open or closed - to which I could contribute my information.
• [X] I have read the FAQs inside the app (Menu -> About -> FAQs) and my problem isn't listed.
• [X] I have taken the time to fill in all the required details. I understand that the bug report will be dismissed otherwise.
• [X] This issue contains only one feature request.
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Feature description

Add time limit to keep messages.

Why do you want this feature?

To forget old messages

Additional information

Like signal or whatsapp it would be great to be able to set retaining time for messages. Preferably per conversation setting. So that I could set that messages are automatically removed after 1 week, 1 month or similar.