* Scripts: add flipper lib, migrate ob to flipper lib, update ob.data
* Makefile: speedup build with phony target for .d files
* FuriHal,U8G2: full MGG display support and ERC contrast tuning.
* Desktop: fix dolphin rename artifact.
* Scripts: port otp.py to flipper scripting lib.
* Scripts: add wipe and core1 flashing to flash.py, remove obsolete shell scripts
* Scripts: replace core1 flashing script with global makefile.
* Scripts: final touches and migration to python. Root Makefile for everything.
* Assets: move assets compilation to separate Makefile. Move all scripts to scripts folder. Add scripts ReadMe. Add precompiled assets.
* Split assets.py into separate entities. Option bytes for FL-1289 and checker/setter.
* Cli: explicitly initialize variable befor use in api_hal_vcp_rx_with_timeout
* Rename ob_check script to ob.
