refactor: remove frontend, move JSONs to json/ top-level

- Archive frontend to community-scripts/ProxmoxVE-Frontend-Archive
- Move frontend/public/json/ -> json/
- Update workflow paths in 5 actions:
  - update-versions-github.yml
  - update-json-date.yml
  - push-json-to-pocketbase.yml
  - delete-pocketbase-entry-on-removal.yml
  - autolabeler.yml
- Remove frontend-cicd.yml (no longer needed)
- Clean up .gitignore (remove frontend-specific entries)

json/openziti-controller.json

@@ -0,0 +1,40 @@
+{
+  "name": "openziti-controller",
+  "slug": "openziti-controller",
+  "categories": [
+    4
+  ],
+  "date_created": "2025-04-14",
+  "type": "ct",
+  "updateable": true,
+  "privileged": false,
+  "interface_port": null,
+  "documentation": "https://openziti.io/docs/reference/tunnelers/docker/",
+  "website": "https://www.openziti.io/",
+  "logo": "https://cdn.jsdelivr.net/gh/selfhst/icons@main/webp/openziti.webp",
+  "config_path": "/opt/openziti/etc/controller/bootstrap.env",
+  "description": "OpenZiti is an open-source, zero trust networking platform that enables secure connectivity between applications, services, and devices. It provides secure, encrypted connections between clients and services, and can be used to create secure, zero trust networks.",
+  "install_methods": [
+    {
+      "type": "default",
+      "script": "ct/openziti-controller.sh",
+      "resources": {
+        "cpu": 2,
+        "ram": 1024,
+        "hdd": 8,
+        "os": "debian",
+        "version": "13"
+      }
+    }
+  ],
+  "default_credentials": {
+    "username": null,
+    "password": null
+  },
+  "notes": [
+    {
+      "text": "The Openziti Controller installation will prompt for configuration settings during installation.",
+      "type": "info"
+    }
+  ]
+}