* Change all icons to be white background
* assets: re-processed all *.png images to 1-bit
* assets: also stripped profile data from .pngs
* assets: also stripped datetime from metadata (`-define png:exclude-chunks=date,time`)
* scripts: added image linter and formatter; fbt: added `lint_img` && `format_img` targets; github: integrated image lint step into CI
* scripts: imglint: fixed deprecation warning
* images: applied `format_img`
* fbt: added `lint_all` and `format_all` targets; docs: updated for new targets
Co-authored-by: hedger <hedger@nanode.su>
Co-authored-by: hedger <hedger@users.noreply.github.com>
* settings power: introduce power settings app
* power: move power API to separate file
* settings power: implement reboot scene
* settings power: add power off scene
* assets: add crying dolphin, fix Subghz assets names
* settings power: fix power off scene GUI
* settings power: add battery info scene
* power: add cli to application on start hook
* power: remove power from main menu
* power: move to power service folder
* power service: rework power off logic
* power: add pubsub events
* bt: subscribe to battery level change, update characteristic
* application: change order of Settings applications
* gui: add bubble element
* power: gui improvements
* application: rename Notification -> LCD and notifications
* Applications: menu order according to documentation and add missing power cli init
* settings power: add disconnect USB scene
* power cli: notify user to disconnect USB after poweroff
* Power: update poweroff message in cli
Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>