* Add setting to mute everyone

* Format code

* Add unit tests for Fetch and Store class

* remove imports

* remove imports

* Add unit tests for applicable composable classes

* fix

* fix

* fix

* fix

* fix

* fix

* Wait for modal result when clicking leave room button

* fix

* Add max length to inputs and update UI for text-names

* fix

* fix

* fix

* update design

* increase visibility of user options btn

* remove white background from logos & add new variant

* remove white background from logos & add new variant

* remove white background from favicon

* Change banner if dashboard is empty

* remove import

* make sure downloaded file ends with .txt

* format

* change route if room corresponding to current channel is deleted

* add option to close a channel

* comment function

* add close option in room view

* Make close button red

* fix build error

---------

Co-authored-by: Florian Raith <florianraith00@gmail.com>

* Add documentation

* Tweak documentation

---------

Co-authored-by: David Phan <phan.david@gmx.de>

* update function names

* update function names

* some design tweaks

* more small tweaks

* Fix notes overlay bug

* Format code

---------

Co-authored-by: Marius Friess <34072851+mariusfriess@users.noreply.github.com>
Co-authored-by: Marius Friess <friess.marius@gmail.com>

* Tweak camera ui

* Format code

* refactor webcam code into own class

* remove import

* fix errors

* fix errors

* fix loading of webcams

* remove old code

* change implementation

* remove import

* fix

* Tweak student permissions

* Format code

* Remove unused imports