RTL support

### Your use case

#### What would you like to do?
It would be great if the entire app supports an RTL layout, but its good enough if it supports rtl content in messages and the text box.

#### Why would you like to do it?
not a dev sorry.
#### How would you like to achieve it?
start with RTL content support, then add an RTL layout to the entire app.

### Have you considered any alternatives?

_No response_

### Additional context

the current way the original Element app handels RTL is fine, telegram does it well too.

### Are you willing to provide a PR?

No