chore(sunshine): Carry over configuration to desktop images too

system_files/desktop/shared/usr/share/ublue-os/firstboot/yafti.yml

@@ -22,6 +22,12 @@ screens:
           default: true
           packages:
           - Set input group: sudo -A ujust add-user-to-input-group
+        Sunshine:
+          description: A self-hosted game stream host for Moonlight
+          default: false
+          packages:
+          - Install Sunshine: ujust install-sunshine
+          - Autostart Sunshine: ujust autostart-sunshine
         Greenlight:
           description: A utility for xCloud and xHome streaming
           default: false

system_files/desktop/shared/usr/share/ublue-os/just/60-custom.just

@@ -20,6 +20,24 @@ configure-waydroid:
     deactivate
     sudo rm -rf /tmp/waydroid_script
 
+# Install Sunshine
+install-sunshine:
+    #!/usr/bin/env bash
+    flatpak install --system --noninteractive flathub dev.lizardbyte.app.Sunshine
+    flatpak run --command=additional-install.sh app/dev.lizardbyte.app.Sunshine/x86_64/stable || true
+    echo "Sunshine is installed!"
+
+# Remove Sunshine
+remove-sunshine:
+    #!/usr/bin/env bash
+    flatpak run --command=remove-additional-install.sh app/dev.lizardbyte.app.Sunshine/x86_64/stable || true
+    flatpak uninstall --delete-data --noninteractive dev.lizardbyte.sunshine
+
+# Autostart Sunshine
+autostart-sunshine:
+    #!/usr/bin/env bash
+    systemctl enable --user --now sunshine.service
+
 # Install CoreCtrl for overclocking & undervolting AMD GPUs
 install-corectrl:
     echo 'Installing CoreCtrl...'