Add documentation for merge request !5

https://gitlab.ida.liu.se/course-starcraft-ai/pycommandcenter/merge_requests/5

docs/unit.rst

@@ -26,6 +26,10 @@ Unit
 
    .. autoattribute:: build_percentage
    .. autoattribute:: energy
+   .. autoattribute:: facing
+
+      Returns the direction the unit is facing
+
    .. autoattribute:: hit_points 
    .. autoattribute:: max_hit_points
    .. autoattribute:: id 
@@ -56,6 +60,16 @@ Unit
       See :ref:`playerconstants` for more information.
 
    .. autoattribute:: position 
+   .. autoattribute:: current_ability_id
+
+   .. autoattribute:: progress
+
+      Returns the progress of currently used ability (-1 if not using ability)
+
+   .. autoattribute:: radius
+
+      Retruns the radius of the unit
+
    .. autoattribute:: shields 
    .. autoattribute:: tile_position 
    .. autoattribute:: unit_type 
@@ -89,3 +103,7 @@ Unit
 
       Returns True if the target has a valid target and False otherwise.
 
+   .. automethod:: hold_position
+   .. automethod:: stop_dance
+
+      Stop and dance