Fixes: https://github.com/jitsi/jitsi-meet-electron/issues/527

Updated, corrected and completed the german translation.

There is no need to send a HEAD request to the server since we now
bundle external_api.js.

in German and English translations

Fixes #313, #283, #322, #127, #334

We use very little functionality of it anyway.

Co-authored-by: Christophe HAMERLING <chamerling@linagora.com>
Co-authored-by: Klemens Arro <klemens.arro@admcloudtech.com>
Co-authored-by: Goran Urukalo <goran.urukalo@teletrader.com>

The deployment will generate the right one based on the provided name
and email.

Fixes: https://github.com/jitsi/jitsi-meet-electron/issues/379

This avoids any problems caused by the initialization of any of the
extra services initialization failures.

Don't use abotars, as they are no longer used in Jitsi Meet.

- Style
- Layout
- Add spotlight

This commit will add a toggle to settings drawer to enable/disable the floating (always on top) window during a call (issue #171).
This feature is based on the code from pull request #172 by @gorance-teletrader.

Co-authored-by: Annika Wickert <awlx@users.noreply.github.com>