* Initial federation sender -> federation API refactoring
* Move base into own package, avoids import cycle
* Fix build errors
* Fix tests
* Add signing key server tables
* Try to fold signing key server into federation API
* Fix dendritejs builds
* Update embedded interfaces
* Fix panic, fix lint error
* Update configs, docker
* Rename some things
* Reuse same keyring on the implementing side
* Fix federation tests, `NewBaseDendrite` can accept freeform options
* Fix build
* Update create_db, configs
* Name tables back
* Don't rename federationsender consumer for now
* Support auto-upgrading accounts DB
* Auto-upgrade device DB deltas
* Support up/downgrading from cmd/goose
* Linting
* Create tables then do migrations then prepare statements
To avoid failing due to some things not existing
* Linting
* Add support for database migrations
Closes#1246
This PR does NOT add any migrations as an example. I have
manually tested that the library works with SQL and Go based
upgrades correctly. Documentation should be sufficient for
devs to add migrations.
* Clarifications
* Linting
