Is your feature request related to a problem? Please describe.
I occasionally switch between normal and darkmode on my android 10 phone.

Describe the solution you'd like
An automatic change would be nice.

Additional context
I assume that the following API is helpful: [Dark theme – Changing themes in-app](https://developer.android.com/guide/topics/ui/look-and-feel/darktheme#cha

I think it would be a good idea to add something like "bottom header". For example, I want to add a button to add a new card or some information

Hey there! I've been using your extension for some time and I love it--in fact, I don't think i could use Trello without it!

One thing that would be handy, though...could you enable it to remember how I want each board displayed? I have several different boards for work and each of them needs to be displayed slightly differently for the best use--and it's kind of annoying to have to manually c