Added a comment about the source Stackoverflow post for skipping submodules.
Added a comment about the source Stackoverflow post for skipping submodules.

ONSdigital/tredegar,ONSdigital/babbage,ONSdigital/tredegar,ONSdigital/babbage,ONSdigital/tredegar,ONSdigital/tredegar,ONSdigital/babbage,ONSdigital/babbage