Init app install + json + default ct update

frontend/public/json/guardian.json

@@ -0,0 +1,33 @@
+{
+  "name": "Guardian",
+  "slug": "guardian",
+  "categories": [13],
+  "date_created": "2025-09-22",
+  "type": "ct",
+  "updateable": true,
+  "privileged": false,
+  "interface_port": 3000,
+  "documentation": null,
+  "config_path": "",
+  "website": "https://github.com/HydroshieldMKII/Guardian",
+  "logo": null,
+  "description": "A tool to manage devices access to your Plex server with a nice Dashboard ",
+  "install_methods": [
+    {
+      "type": "default",
+      "script": "ct/guardian.sh",
+      "resources": {
+        "cpu": 4,
+        "ram": 2048,
+        "hdd": 6,
+        "os": "Debian",
+        "version": "12"
+      }
+    }
+  ],
+  "default_credentials": {
+    "username": null,
+    "password": null
+  },
+  "notes": []
+}