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/zwave-js-ui.json

@@ -0,0 +1,35 @@
+{
+  "name": "Z-Wave JS UI",
+  "slug": "zwave-js-ui",
+  "categories": [
+    17
+  ],
+  "date_created": "2024-05-02",
+  "type": "ct",
+  "updateable": true,
+  "privileged": true,
+  "interface_port": 8091,
+  "documentation": "https://zwave-js.github.io/zwave-js-ui/#/",
+  "website": "https://github.com/zwave-js/zwave-js-ui#",
+  "logo": "https://cdn.jsdelivr.net/gh/selfhst/icons@main/webp/z-wave-js-ui.webp",
+  "config_path": "/opt/.env",
+  "description": "Z-Wave JS UI is an open-source software that serves as a gateway between Z-Wave devices and MQTT (Message Queuing Telemetry Transport) protocol, allowing users to control and monitor their Z-Wave devices via a user interface. The software provides a configurable platform to manage Z-Wave networks and integrate with other smart home systems through MQTT.",
+  "install_methods": [
+    {
+      "type": "default",
+      "script": "ct/zwave-js-ui.sh",
+      "resources": {
+        "cpu": 2,
+        "ram": 1024,
+        "hdd": 4,
+        "os": "debian",
+        "version": "13"
+      }
+    }
+  ],
+  "default_credentials": {
+    "username": null,
+    "password": null
+  },
+  "notes": []
+}