3d → lights Relation

File in src/3d	Includes file in src/3d/lights
qgs3dmapscene.cpp	qgsdirectionallightsettings.h
qgs3dmapsettings.cpp	qgsdirectionallightsettings.h
qgs3dmapsettings.cpp	qgslightsource.h
qgs3dmapsettings.cpp	qgspointlightsettings.h
framegraph / qgsframegraph.cpp	qgsdirectionallightsettings.h
framegraph / qgsframegraph.h	qgspointlightsettings.h
framegraph / qgspostprocessingentity.cpp	qgsdirectionallightsettings.h
framegraph / qgsshadowrenderview.cpp	qgsdirectionallightsettings.h