* account v2 registration for key connector
* use new user repository functions
* test coverage
* integration test coverage
* documentation
* code review
* missing test coverage
* fix failing test
* failing test
* incorrect ticket number
* moved back request model to Api, created dedicated data class in Core
* sql stored procedure type mismatch, simplification
* key connector authorization handler
* chore: set up a `CODEOWNERS` space for platform
* chore: move sql objects for `Installation` to platform's domain
* chore: move `Installation` and `PushRelay` code to platform's domain
* Add new RegenerateUserAsymmetricKeysCommand
* add new command tests
* Add regen controller
* Add regen controller tests
* add feature flag
* Add push notification to sync new asymmetric keys to other devices