fix: consolidate template README images into single directory (#193)

## Description

This PR moves all the existing template README images for the Coder
namespace from being defined inline to its `.images` directory. This
makes the image-processing logic in the Registry build step easier to
maintain.

## Type of Change

- [ ] New module
- [x] Bug fix
- [ ] Feature/enhancement
- [ ] Documentation
- [ ] Other

## Testing & Validation

- [x] Tests pass (`bun test`)
- [x] Code formatted (`bun run fmt`)
- [x] Changes tested locally

---

## Related Issues

Related to #132

Author: Parkreiner

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,9 +1,9 @@
+Closes #
+
 ## Description
 
 <!-- Briefly describe what this PR does and why -->
 
----
-
 ## Type of Change
 
 - [ ] New module
@@ -12,8 +12,6 @@
 - [ ] Documentation
 - [ ] Other
 
----
-
 ## Module Information
 
 <!-- Delete this section if not applicable -->
@@ -22,18 +20,12 @@
 **New version:** `v1.0.0`  
 **Breaking change:** [ ] Yes [ ] No
 
----
-
 ## Testing & Validation
 
 - [ ] Tests pass (`bun test`)
 - [ ] Code formatted (`bun run fmt`)
 - [ ] Changes tested locally
 
----
-
 ## Related Issues
 
 <!-- Link related issues or write "None" if not applicable -->
-
-Closes #

pnpm-lock.yaml

@@ -12,6 +12,12 @@ tags: [rdp, windows, desktop, local]
 
 This module enables Remote Desktop Protocol (RDP) on Windows workspaces and adds a one-click button to launch RDP sessions directly through [Coder Desktop](https://coder.com/docs/user-guides/desktop). It provides a complete, standalone solution for RDP access, eliminating the need for manual configuration or port forwarding through the Coder CLI.
 
+<!--
+  2025-07-07 - Prettier isn't formatting GFM comments properly if they don't
+  start with a letter.
+  See https://github.com/prettier/prettier/issues/15479
+-->
+<!-- prettier-ignore -->
 > [!NOTE]
 > [Coder Desktop](https://coder.com/docs/user-guides/desktop) is required on client devices to use the Local Windows RDP access feature.
 

registry/coder/templates/aws-devcontainer/architecture.svg renamed to registry/coder/.images/aws-devcontainer-architecture.svg

@@ -10,7 +10,7 @@ tags: [vm, linux, aws, persistent, devcontainer]
 # Remote Development on AWS EC2 VMs using a Devcontainer
 
 Provision AWS EC2 VMs as [Coder workspaces](https://coder.com/docs) with this example template.
-![Architecture Diagram](./architecture.svg)
+![Architecture Diagram](../../.images/aws-devcontainer-architecture.svg)
 
 <!-- TODO: Add screenshot -->
 

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