fix: update gcp devcontainer images

Author: buenos-nachos

…plates/gcp-devcontainer/architecture.svg …images/gcp-devcontainer-architecture.svgregistry/coder/templates/gcp-devcontainer/architecture.svg renamed to registry/coder/.images/gcp-devcontainer-architecture.svg registry/coder/templates/gcp-devcontainer/architecture.svg renamed to registry/coder/.images/gcp-devcontainer-architecture.svg

@@ -9,7 +9,7 @@ tags: [vm, linux, gcp, devcontainer]
 
 # Remote Development in a Devcontainer on Google Compute Engine
 
-![Architecture Diagram](./architecture.svg)
+![Architecture Diagram](../../.images/gcp-devcontainer-architecture.svg)
 
 ## Prerequisites
 
@@ -34,6 +34,7 @@ a service account:
 
 1. Click **Create and continue**, and choose the following IAM roles to grant to
    the service account:
+
    - Compute Admin
    - Service Account User