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/minio.json

@@ -0,0 +1,40 @@
+{
+  "name": "MinIO",
+  "slug": "minio",
+  "categories": [
+    8
+  ],
+  "date_created": "2025-02-13",
+  "type": "ct",
+  "updateable": true,
+  "privileged": false,
+  "interface_port": 9001,
+  "documentation": "https://min.io/docs/minio/linux/index.html",
+  "website": "https://min.io/",
+  "logo": "https://cdn.jsdelivr.net/gh/selfhst/icons@main/webp/minio.webp",
+  "config_path": "/etc/default/minio",
+  "description": "MinIO is a High Performance Object Storage released under GNU Affero General Public License v3.0. It is API compatible with Amazon S3 cloud storage service. Use MinIO to build high performance infrastructure for machine learning, analytics and application data workloads.",
+  "install_methods": [
+    {
+      "type": "default",
+      "script": "ct/minio.sh",
+      "resources": {
+        "cpu": 1,
+        "ram": 1024,
+        "hdd": 5,
+        "os": "debian",
+        "version": "13"
+      }
+    }
+  ],
+  "default_credentials": {
+    "username": "minioadmin",
+    "password": null
+  },
+  "notes": [
+    {
+      "text": "Application credentials: `cat ~/minio.creds`",
+      "type": "info"
+    }
+  ]
+}