xmonad: add `web` workspace

Signed-off-by: Niklas Koep <niklas.koep@gmail.com>
xmonad: integrate WindowBringer to jump to windows

Signed-off-by: Niklas Koep <niklas.koep@gmail.com>
xmonad: float the volumeicon window

Signed-off-by: Niklas Koep <niklas.koep@gmail.com>
xmonad: shorten window title length

Signed-off-by: Niklas Koep <niklas.koep@gmail.com>