Your Rocket.Chat version: 0.23.0

This is not an issue but a feature request "nice to have"

1. The ability to delete a channel's or 1 to 1 conversation history and media shared.

2. For small servers, the ability to automatically delete/overwrite the memory used for conversation and shared media history. Say, if it's older than X days, months. OR, whenever the conversation history or media buffer is over X amount of gigabytes, then start overwriting the oldest line/media.