feat: Install ghostty

The default vanillaos terminal ("Black Box") is "Not Great". It doesn't
support true color, etc.

We prefer ghostty on our other machines, so let's install it here too!

recipe.yml

@@ -38,6 +38,15 @@ stages:
     - curl -fsSL https://pkgs.tailscale.com/stable/debian/sid.tailscale-keyring.list | tee /etc/apt/sources.list.d/tailscale.list
     - apt-get update && apt-get install -y tailscale
 
+  - name: ghostty
+    # Adapted from example commands in https://github.com/clayrisser/debian-ghostty
+    type: shell
+    commands:
+    - echo 'deb http://download.opensuse.org/repositories/home:/clayrisser:/sid/Debian_Unstable/ /' > /etc/apt/sources.list.d/ghostty.list
+    - curl -fsSL https://download.opensuse.org/repositories/home:clayrisser:sid/Debian_Unstable/Release.key | gpg --dearmor > /etc/apt/trusted.gpg.d/clayrisser-ghostty.gpg
+    - apt update
+    - apt install ghostty
+
   - name: example-commands # Sample module demonstrating the Shell module with custom commands
     type: shell
     commands: