* ReadMe: update flashing scripts section
* Furi: add record exists method to record store.
* FuriHal: early OS init and i2c timeouts based on os ticks.
* Storage: replace malloc with furi_alloc, fix errors found by pvs.
* iButton: properly handle shutdown in cli search command
* SubGhz: proper argument type in sscanf and incorrect position of logging in switch.
* Project: fix release build, replace asserts with checks.
* FuriHal: i2c refactoring, new bus access model, flexible bus gpio configuration.
* FuriHal: set i2c pins to high on detach.
* FuriHal: more i2c bus events, put bus under reset when not used, move bus enable/disable routine to bus handler.
* FuriHal: fix i2c deadlock in power api, add external i2c handle.
