Keyboard shortcuts for specific web panels

[mr-cheffy]

What feature would you like to see?

I would love to be able to toggle specific Zen Sidebar web panels with keyboard shortcuts. This is one of the features that really sold me on using Floorp since it is such a big productivity booster.

For reference:

What platform are you seeing the problem on?

Windows

Additional context

Otherwise I just wanted to say I am really impressed by your work so far! It's great to see a lot of these new browser innovations coming together in such a well-designed and cohesive package. I'm excited to see where future development will take it.

~ Created automatically from issue: #388