Added Foursquare backend

docs/source/backends.rst

@@ -15,6 +15,7 @@ Backends
     platypush/backend/button.flic.rst
     platypush/backend/camera.pi.rst
     platypush/backend/chat.telegram.rst
+    platypush/backend/foursquare.rst
     platypush/backend/google.fit.rst
     platypush/backend/google.pubsub.rst
     platypush/backend/gps.rst

docs/source/events.rst

@@ -15,6 +15,7 @@ Events
     platypush/events/camera.rst
     platypush/events/chat.telegram.rst
     platypush/events/distance.rst
+    platypush/events/foursquare.rst
     platypush/events/geo.rst
     platypush/events/google.rst
     platypush/events/google.fit.rst

docs/source/platypush/backend/foursquare.rst

@@ -0,0 +1,5 @@
+``platypush.backend.foursquare``
+================================
+
+.. automodule:: platypush.backend.foursquare
+    :members:

docs/source/platypush/events/foursquare.rst

@@ -0,0 +1,5 @@
+``platypush.message.event.foursquare``
+======================================
+
+.. automodule:: platypush.message.event.foursquare
+    :members: