Generic docs need reST

Conversion of all docs to reST so that the generic docs can link easily
with the rest of the docs.

docs/api_boards.rst

@@ -0,0 +1,80 @@
+======================
+Boards and Accessories
+======================
+
+.. currentmodule:: gpiozero
+
+These additional interfaces are provided to group collections of components
+together for ease of use, and as examples. They are composites made up of
+components from the various :doc:`api_input` and :doc:`api_output` provided by
+GPIO Zero. See those pages for more information on using components
+individually.
+
+.. note::
+
+    All GPIO pin numbers use Broadcom (BCM) numbering. See the :doc:`recipes`
+    page for more information.
+
+LED Board
+=========
+
+.. autoclass:: LEDBoard(\*pins, pwm=False)
+    :inherited-members:
+    :members:
+
+Traffic Lights
+==============
+
+.. autoclass:: TrafficLights
+    :inherited-members:
+    :members:
+
+PiLITEr
+=======
+
+.. autoclass:: PiLiter
+    :inherited-members:
+    :members:
+
+PI-TRAFFIC
+==========
+
+.. autoclass:: PiTraffic
+    :inherited-members:
+    :members:
+
+TrafficLightsBuzzer
+===================
+
+.. autoclass:: TrafficLightsBuzzer
+    :inherited-members:
+    :members:
+
+Fish Dish
+=========
+
+.. autoclass:: FishDish
+    :inherited-members:
+    :members:
+
+Traffic HAT
+===========
+
+.. autoclass:: TrafficHat
+    :inherited-members:
+    :members:
+
+Robot
+=====
+
+.. autoclass:: Robot
+    :inherited-members:
+    :members:
+
+Ryanteck MCB Robot
+==================
+
+.. autoclass:: RyanteckRobot
+    :inherited-members:
+    :members:
+