[FEATURE] Improve settings UI and add Data saver mode

[sinfullad]

Improve settings and add Data saver mode
Combine Appearance and Player into one single scrollable page and add Data saver option for people with limited data.

Describe the solution you'd like

• Data saver mode should have the options to reduce image quality from articles and gallaries and/or change the layout to Title and Description
• Options to reduce video quality to 144p/240p (if added) and/or turn it into audio only.

[BrightDV]

I have added both in ed012db. You can try the debug apk from the latest run. There is still a ratio aspect that I have to fix on low-res videos and for the audio only, it isn't planned for the moment.

[sinfullad]

Looks great, thank you! Though I noticed a few more weird things while using other features, should I add them in a separate issue?

[BrightDV]

Looks great, thank you! Though I noticed a few more weird things while using other features, should I add them in a separate issue?

Yes, thanks a lot!