Added an extra hook for layout of guide article. Adjusted the related box.
Added an extra hook for layout of guide article. Adjusted the related box.

leftees/publisher,alphagov/publisher,leftees/publisher,telekomatrix/publisher,alphagov/publisher,theodi/publisher,telekomatrix/publisher,theodi/publisher,alphagov/publisher,telekomatrix/publisher,telekomatrix/publisher,leftees/publisher,theodi/publisher,theodi/publisher,leftees/publisher