refactor: renamed doc_assets to doc_assets_dir and friends for consistency
refactor: renamed doc_assets to doc_assets_dir and friends for consistency

electronspin/hologram,landsurveyorsunited/hologram,askl56/hologram,sbrady/hologram,askl56/hologram,donnoman/hologram,hunj/hologram,sbrady/hologram,hideki-a/hologram,mike6398/hologram,trulia/hologram,hunj/hologram,landsurveyorsunited/hologram,donnoman/hologram,electronspin/hologram,angelabier1/hologram,hideki-a/hologram,mike6398/hologram,angelabier1/hologram,trulia/hologram