Add yubal (ct) (#10955)

frontend/public/json/yubal.json

@@ -0,0 +1,35 @@
+{
+  "name": "Yubal",
+  "slug": "yubal",
+  "categories": [
+    13
+  ],
+  "date_created": "2026-01-05",
+  "type": "ct",
+  "updateable": true,
+  "privileged": false,
+  "interface_port": 8000,
+  "documentation": "https://github.com/guillevc/yubal/blob/master/README.md",
+  "website": "https://github.com/guillevc/yubal",
+  "config_path": "/opt/yubal.env",
+  "logo": "https://cdn.jsdelivr.net/gh/selfhst/icons@main/webp/yubal.webp",
+  "description": "YouTube Music album downloader with Spotify metadata auto-tagging.",
+  "install_methods": [
+    {
+      "type": "default",
+      "script": "ct/yubal.sh",
+      "resources": {
+        "cpu": 2,
+        "ram": 2048,
+        "hdd": 15,
+        "os": "debian",
+        "version": "13"
+      }
+    }
+  ],
+  "default_credentials": {
+    "username": null,
+    "password": null
+  },
+  "notes": []
+}