improvement(docs): redesign README (animated hero + product demo) (#5… #20333

Job	Run time
Test and Build / Test and Build	5m 15s
Detect Version	3s
Migrate Dev DB	-1s
Check Docs Changes	-1s
Build ARM64 (GHCR Only)	0s
Build Dev ECR	0s
Migrate DB / Apply Database Migrations	34s
Build AMD64 (./docker/realtime.Dockerfile, ghcr.io/simstudioai/realtime, ECR_REALTIME)	50s
Build AMD64 (./docker/app.Dockerfile, ghcr.io/simstudioai/simstudio, ECR_APP)	5m 19s
Build AMD64 (./docker/pii.Dockerfile, ghcr.io/simstudioai/pii, ECR_PII)	28s
Build AMD64 (./docker/db.Dockerfile, ghcr.io/simstudioai/migrations, ECR_MIGRATIONS)	48s
Process Docs	0s
Create GHCR Manifests	0s
Create GitHub Release	0s
	13m 15s

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