fix a few ble-related doc issues

docs/drivers.rst

@@ -70,6 +70,8 @@ These libraries build on top of the low level APIs to simplify common tasks.
     miniQR Non-hardware QR code generator <https://circuitpython.readthedocs.io/projects/miniqr/en/latest/>
     Slideshow <https://circuitpython.readthedocs.io/projects/slideshow/en/latest/>
     LED Animation <https://circuitpython.readthedocs.io/projects/led-animation/en/latest/>
+    Bluetooth Low Energy (BLE)  <https://circuitpython.readthedocs.io/projects/ble/en/latest/>
+    Bluefruit LE Connect App  <https://circuitpython.readthedocs.io/projects/bluefruitconnect/en/latest/>
 
 Blinky
 --------

shared-bindings/bleio/Device.c

@@ -48,6 +48,9 @@
 //| :class:`Device` -- BLE device
 //| =========================================================
 //|
+//| **IGNORE ``Device`` and all its documentation.
+//| It is being replaced by `Peripheral` and other classes.**
+//|
 //| Provides access a to BLE device, either in a Peripheral or Central role.
 //| When a device is created without any parameter passed to the constructor,
 //| it will be set to the Peripheral role. If a address is passed, the device

shared-bindings/bleio/Peripheral.c

@@ -70,7 +70,7 @@ static const char default_name[] = "CIRCUITPY";
 //|    periph = bleio.Peripheral([service])
 //|    periph.start_advertising()
 //|
-//|    while not periph.connected():
+//|    while not periph.connected:
 //|        # Wait for connection.
 //|        pass
 //|