sunshine: add SWBF2 Single Player app entry

Adds a Moonlight app entry that launches SWBF2 directly via Steam
(steam://rungameid/1237950) — both with and without the Kyber entry.
Moonlight app list now shows: Kyber SWBF2 | SWBF2 Single Player | Desktop

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01D8ckUJQtj1pH8jtAddBDZs

services/sunshine.sh

@@ -161,6 +161,17 @@ EOF
       "exit-timeout": 5,
       "image-path": ""
     },
+    {
+      "name": "SWBF2 Single Player",
+      "output": "",
+      "cmd": "steam steam://rungameid/1237950",
+      "exclude-global-prep-cmd": false,
+      "elevated": false,
+      "auto-detach": true,
+      "wait-all": true,
+      "exit-timeout": 5,
+      "image-path": ""
+    },
     {
       "name": "Desktop",
       "output": "",
@@ -183,6 +194,17 @@ EOF
 {
   "env": {},
   "apps": [
+    {
+      "name": "SWBF2 Single Player",
+      "output": "",
+      "cmd": "steam steam://rungameid/1237950",
+      "exclude-global-prep-cmd": false,
+      "elevated": false,
+      "auto-detach": true,
+      "wait-all": true,
+      "exit-timeout": 5,
+      "image-path": ""
+    },
     {
       "name": "Desktop",
       "output": "",