Add missing package READMEs, expand Sphinx to all runtime modules,
publish a LaTeX/PDF README book, and add verae-ops for Docker,
Proxmox, VMs, dedicated hardware, and service linking. Catalog
defaults to public PDF links for each module README and samples.
Each module has SUMMARY.md and NATS.md (who sends/receives, subject
addresses, payload). Tests: splitter 3, worm 3, aggregator 2.
Forgejo repos pushed separately; this commit keeps them in the monorepo.
