InitOnStartup feature

[zaychenko-sergei]

Outbox initialization unified + app initialization calls simplified

Description

Closes: #861

Organize initialization of components via dependency injection potential. Written a small library to facilitate initialization jobs with the order of dependencies taken into account.

TODO: unit tests.

Checklist before requesting a review

• [x] Unit and integration tests added
• [x] Compatibility:
  • [x] Network APIs: ✅
  • [x] Workspace layout and metadata: ✅
  • [x] Configuration: ✅
  • [x] Container images: ✅
• [ ] Observability:
  • [ ] Tracing / metrics: ✅
  • [ ] Alerts: ✅
• [ ] Documentation:
  • [x] Changelog: ✅
  • [ ] Public documentation: ✅
• [ ] Downstream effects:
  • [x] kamu-node: ✅
  • [ ] kamu-web-ui: ✅
  • [x] release-queue