Add earth2studio v4 code-server template

packages/code-server/README.md

@@ -22,6 +22,11 @@ environment-managed choices:
 - NodePort Service on port `80`
 - `weight` StorageClass PVC mounted at `/models`
 
+`post-renders/k3s-hami-v4/kustomization.yaml` keeps the same platform-managed
+settings but uses image `harbor.bwgdi.com/library/earth2studio-demo:v4`. It
+also seeds the image's `/workspace` contents into the workspace PVC on first
+start so the mounted volume does not hide the demo files baked into the image.
+
 `post-renders/k3s-hami/userInputs.yaml` is the user-facing value contract. Users
 only choose CPU, memory, GPU count, and GPU memory. The console renders these
 fields as the WorkloadClaim form; the operator receives the resolved values on