improvement(docs): add quick reference page and update SDK documentat… #9085

Job	Run time
Detect Version	3s
Test and Build / Test and Build	3m 40s
Check Docs Changes	0s
Build AMD64 (./docker/realtime.Dockerfile, ghcr.io/simstudioai/realtime, ECR_REALTIME)	2m 37s
Build AMD64 (./docker/db.Dockerfile, ghcr.io/simstudioai/migrations, ECR_MIGRATIONS)	2m 0s
Build AMD64 (./docker/app.Dockerfile, ghcr.io/simstudioai/simstudio, ECR_APP)	5m 36s
Build ARM64 (GHCR Only)	0s
Create GHCR Manifests	-1s
Process Docs	-1s
	13m 54s

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