feat: add topology applications

[Kiryous]

Closes #1968

• Frontend: Create/manage application form
• Frontend: Create application node and add child services to draw on react-flow
• Backend: CRUD
• Backend: Tests
• Frontend: update hooks to work with actual endpoints
• Frontend: ensure useTopology() hook doesn't cause multiple polling
• Docs

[vercel]

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1 Skipped Deployment

Name	Status	Preview	Comments	Updated (UTC)
keep	⬜️ Ignored (Inspect)	Visit Preview		Sep 29, 2024 7:44am

[talboren]

@Kiryous please note that build fails
Module not found: Can't resolve '../topology/map/ui/topology-page'

[Kiryous]

@talboren fixed

[talboren]

@talboren fixed

now e2e tests failed (db couldn't start for some reason ;()

[talboren]

@talboren fixed

now e2e tests failed (db couldn't start for some reason ;()

@Kiryous
keep-backend-1 | raise util.CommandError(multiple_heads) from mh keep-backend-1 | alembic.util.exc.CommandError: Multiple head revisions are present for given argument 'head'; please specify a specific target revision, '<branchname>@head' to narrow to a specific head, or 'heads' for all heads

Seems like there were some migrations since you created this branch and your migration is out of date.