[DX-955] Add use-case based SDK references across Pub/Sub pages#3340

Draft

sacOO7 wants to merge 3 commits intomainfrom

fix/incorrect-pubsub-sections

Commits on Apr 16, 2026

docs: replace Pub/Sub build recommendations with Chat SDK references on Spaces page
sacOO7
committed
docs: fix incorrect sections and add Chat/Spaces SDK cross-references in Pub/Sub docs
sacOO7
committed

Commits on Apr 17, 2026

Fixed more pub-sub sections related to chat
sacOO7
committed