new documentation: Manually Create Whonix VM Settings / Restoring .vmdk files

This is useful, if you have a backup of Whonix .vmdk hard disk images and want to restore them. This could be the case if your VM settings file is damaged or missing for some reason or if you only made a backup of the .vmdk files. See:

Patrick started developing Whonix, the Anonymous Operating System in 2012, when quickly others joined efforts. He collected experiences working pseudonymous on Whonix for two years, enjoys collaboratively working on privacy preserving software.