* setup bsky so that writes always go to a db primary
* test bsky primary db functionality
* sprinkle db primary over moderation and view maintainer usage
* make bsky tests more strict on primary/secondary db, fixes
* maintain prev db config on appview, require primary db, make primary/replica explicit in config
* tidy
* sketch out db replicas
* wip
* support multiple tags per bsky replica, "any" tag, fallbacks and warns
* clarify tags
* use new coordinator api across routes & services
* wire-up replica tagging config
* tidy
* cleanup entroypoints and tests for db coordinator
* fix pds test
* re-hookup migrate db
* standardize env vars for db on bsky services
* tidy
* build
* fix bav api entrypoint
* support DB_POSTGRES_URL on ingester/indexer for backwards compat
* remove build
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Co-authored-by: Devin Ivy <devinivy@gmail.com>
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