uhf (#7589)

* 'Add new script'

* Update uhf.sh

---------

Co-authored-by: push-app-to-main[bot] <203845782+push-app-to-main[bot]@users.noreply.github.com>
Co-authored-by: Slaviša Arežina <58952836+tremor021@users.noreply.github.com>

frontend/public/json/uhf.json

@@ -0,0 +1,35 @@
+{
+  "name": "UHF Server",
+  "slug": "uhf",
+  "categories": [
+    13
+  ],
+  "date_created": "2025-08-07",
+  "type": "ct",
+  "updateable": true,
+  "privileged": false,
+  "interface_port": 7568,
+  "documentation": "https://www.uhfapp.com/server",
+  "website": "https://www.uhfapp.com/",
+  "logo": "https://cdn.jsdelivr.net/gh/selfhst/icons/webp/uhf.webp",
+  "config_path": "/etc/uhf-server/",
+  "description": "UHF Server is a powerful companion app that lets you seamlessly schedule and record your favorite shows from the UHF app.",
+  "install_methods": [
+    {
+      "type": "default",
+      "script": "ct/uhf.sh",
+      "resources": {
+        "cpu": 2,
+        "ram": 2048,
+        "hdd": 8,
+        "os": "Debian",
+        "version": "12"
+      }
+    }
+  ],
+  "default_credentials": {
+    "username": null,
+    "password": null
+  },
+  "notes": []
+}