Enhanced Rescue Image README

ONLY FOR PERSONAL USE AND NOT ALLOWED TO BE EXTRACTED,                          
MODIFIED, COPIED OR DISTRIBUTED!

It is shipped as arm64 deb kit to be installed on Dreambox 
one or two ONLY via below commands:

echo "deb [trusted=yes] https://repo.fury.io/gm3/ ./" > /etc/apt/sources.list.d/gutemine.list
apt-get update
apt-get install rescue-image

It contains lots of "useless" things compared to rescue image #104:

- extended webinterface
- remote control support
- WLAN support
- bootloader updating
- frontprocessor updating
- device tree updating
- emergency SD card creation
- recovery SD card creation
- legacy and GPT migration and support
- up to 5 images in flash support
- including backup and restore
- flashing of local backup(s)
- settings backup/restore not per default
- restoring of bootmenu
- updating of bootlogo
- CA Certificate updates
- NTP Date and Time Update
- Password reset
- Flash fixing and formatting
- GPT Label backup/restore
- restart to rescue
- fixes and enhancements to flash-scripts
- fixes missing mkbootimg when flashing some Open* images
- updating of flash scripts in flashed images
- enhanced flash-rescue 
- to prevent downgrading when not in legacy mode
- to prevent writing same rescue-image multiply