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/peanut.json

@@ -0,0 +1,35 @@
+{
+  "name": "PeaNUT",
+  "slug": "peanut",
+  "categories": [
+    4
+  ],
+  "date_created": "2024-06-14",
+  "type": "ct",
+  "updateable": true,
+  "privileged": false,
+  "interface_port": 8080,
+  "documentation": "https://github.com/Brandawg93/PeaNUT/blob/main/README.md",
+  "website": "https://github.com/Brandawg93/PeaNUT/",
+  "logo": "https://cdn.jsdelivr.net/gh/selfhst/icons@main/webp/peanut.webp",
+  "config_path": "/etc/peanut/settings.yml",
+  "description": "PeaNUT is a small dashboard for Network UPS Tools (NUT). It provides a web interface to monitor and manage UPS devices. PeaNUT allows users to view device status, retrieve information, and manage UPS parameters through its API. It's customizable for different UPS devices and supports integration with the Homepage dashboard.",
+  "install_methods": [
+    {
+      "type": "default",
+      "script": "ct/peanut.sh",
+      "resources": {
+        "cpu": 2,
+        "ram": 4096,
+        "hdd": 7,
+        "os": "debian",
+        "version": "13"
+      }
+    }
+  ],
+  "default_credentials": {
+    "username": null,
+    "password": null
+  },
+  "notes": []
+}