SAR-79 Update paths in docs for new structure

docs/source/Control_Model.rst

docs/source/SKAAlarmHandler.rst

docs/source/SKABaseDevice.rst

docs/source/SKACapability.rst

docs/source/SKALogger.rst

docs/source/SKAMaster.rst

docs/source/SKAObsDevice.rst

docs/source/SKASubarray.rst

docs/source/SKATelState.rst

docs/source/conf.py