Add initial sections for the Bluetooth host stack, as well as a simple
diagram of the various protocol & profile layers.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Overhaul the Bluetooth documentation to split it into manageable units
and include additional information, such as architecture and tooling.
Signed-off-by: Carles Cufi <carles.cufi@nordicsemi.no>