feat(ui): Add slack manifest generator (#4237) #15002

Job	Run time
Detect Version	3s
Test and Build / Test and Build	3m 59s
Check Docs Changes	0s
Build Dev ECR	0s
Build ARM64 (GHCR Only)	0s
Migrate Dev DB	0s
Build AMD64 (./docker/app.Dockerfile, ghcr.io/simstudioai/simstudio, ECR_APP)	6m 12s
Build AMD64 (./docker/realtime.Dockerfile, ghcr.io/simstudioai/realtime, ECR_REALTIME)	2m 39s
Build AMD64 (./docker/db.Dockerfile, ghcr.io/simstudioai/migrations, ECR_MIGRATIONS)	2m 3s
Create GHCR Manifests	0s
Process Docs	0s
Create GitHub Release	0s
	14m 56s

Provide feedback