* rpc: increase RPC buffer size. Add get available buffer size API
* bt: add flow control characteristic to serial service
* ble: change updating flow control characteristic logic
* rpc: add buffer is empty callback
* bt: add notification about empty RPC buffer
* ble: add more debug info
* serial_service: add mutex guarding available buffer size
* ble: remove debug logs in serial service
* ble-glue: add on connect \ disconnect, on send \ received callbacks
* bt: rework service with furi-hal-bt and callbacks
* bt: update battery level on connect
* ble-glue: set one callback with parameters
* bt: rework callbacks, remove unused API
* ble-glue: remove dead code
* furi-hal-bt: add documentation
* ble-glue: apply changes for f7 target
* bt: rename RpcInstance -> Rpc
* ble: add disconnection reason
* ble: don't open bt record from GAP
* bt: fix RPC session close
* Assets: separate targets for icons and protobuf
Co-authored-by: あく <alleteam@gmail.com>
* bt: add authentication for all characteristics
* bt: app_ble cleanup
* bt: add start and stop advertising API
* bt: rework application with start and stop advertising API
* bt: support f7 target
* bt: f7 target remove unused files
* bt: stop advertising in bt debug application
* bt: fix bt status bar update
* bt: change bluetooth On Off order
* ble: remove heart rate profile
* ble-glue: delete dead code
* ble-glue: dis refactoring
* ble-glue: add battery service
* broken ble_common refactoring
* ble-glue: advertise 128 bit service uid
* ble-glue: remove dead code
* ble: advertise service 16 bit uid depending on flipper color
* ble-glue: remove debug
* ble: intriduce serial service
* ble: serial over ble
* bt: serial echo server
* bt: serial service process indicate acknowledge
* bt: serial service event handler update
* bt: refactore battery service
* bt: add battery level apdate API
* power: update battery level on change
* bt: refactore device information service
* app_ble: pairing configuration
* bt: display pin code
* bt: refactor battery service
* bt: refactor device info service
* bt: change advertise timer to freertos one
* bt: separate app_ble to hci and gap
* bt: increase max ble packet size
* gap: refactoring
* bt: refactor serial service
* bt: support f7 target
* bt: not blocking pin code show request
Co-authored-by: Anna Prosvetova <anna@prosvetova.me>
Co-authored-by: あく <alleteam@gmail.com>