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/wallos.json

@@ -0,0 +1,35 @@
+{
+  "name": "Wallos",
+  "slug": "wallos",
+  "categories": [
+    23
+  ],
+  "date_created": "2024-10-24",
+  "type": "ct",
+  "updateable": true,
+  "privileged": false,
+  "interface_port": 80,
+  "documentation": "https://github.com/ellite/wallos",
+  "website": "https://wallosapp.com/",
+  "logo": "https://cdn.jsdelivr.net/gh/selfhst/icons@main/webp/wallos.webp",
+  "config_path": "",
+  "description": "Wallos is a personal finance and budgeting tool that provides an intuitive interface for tracking expenses, managing subscriptions, and monitoring financial health. It features APIs for categories, notifications, payments, and user settings, making it suitable for automation and custom integrations. Additionally, it supports multi-language functionality.",
+  "install_methods": [
+    {
+      "type": "default",
+      "script": "ct/wallos.sh",
+      "resources": {
+        "cpu": 1,
+        "ram": 1024,
+        "hdd": 5,
+        "os": "debian",
+        "version": "13"
+      }
+    }
+  ],
+  "default_credentials": {
+    "username": null,
+    "password": null
+  },
+  "notes": []
+}