Documentation: laptops: Add documentation for uniwill laptops

Documentation: laptops: Add documentation for uniwill laptops

Add documentation for admins regarding Uniwill laptops. This should
help them to setup the uniwill-laptop driver, which sadly cannot be
loaded automatically.

Reported-by: cyear <chumuzero@gmail.com>
Closes: https://github.com/lm-sensors/lm-sensors/issues/508
Closes: https://github.com/Wer-Wolf/uniwill-laptop/issues/3
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://patch.msgid.link/20251102172942.17879-3-W_Armin@gmx.de
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>