Point every app's fap_weburl at the renamed repo
(github.com/andydixon/flipper-bluepp) and recenter the build.sh header on the
full-stack BLE firmware and the app suite rather than a single app. GitHub
repo renamed from flipper-bt-inspector; the slug drops "++" since GitHub repo
names cannot contain "+".
Teardown freed the view port before unhooking the serial and status
callbacks, which run on the BLE/BT thread and call view_port_update. A late
notification or status change during exit could touch freed memory. Unhook
both callbacks and restore the default profile first, then free the view port.
Brings up the Flipper as a connectable serial GATT peripheral via the bt service profile API and echoes what a central writes. Restores the default profile on exit.