Cleanup: remove frontend, move JSONs to json/ top-level (#12813)

json/nextcloud-vm.json

@@ -0,0 +1,40 @@
+{
+  "name": "Nextcloud",
+  "slug": "nextcloud-vm",
+  "categories": [
+    2
+  ],
+  "date_created": "2023-11-14",
+  "type": "vm",
+  "updateable": true,
+  "privileged": false,
+  "interface_port": 80,
+  "documentation": "https://docs.nextcloud.com/server/21/admin_manual/contents.html",
+  "website": "https://www.turnkeylinux.org/nextcloud",
+  "logo": "https://cdn.jsdelivr.net/gh/selfhst/icons@main/webp/nextcloud.webp",
+  "config_path": "",
+  "description": "TurnKey Nextcloud is an open-source file sharing server and collaboration platform that can store your personal content, like documents and pictures, in a centralized location.",
+  "install_methods": [
+    {
+      "type": "default",
+      "script": "vm/nextcloud-vm.sh",
+      "resources": {
+        "cpu": 2,
+        "ram": 2048,
+        "hdd": 12,
+        "os": "debian",
+        "version": "13"
+      }
+    }
+  ],
+  "default_credentials": {
+    "username": "admin",
+    "password": null
+  },
+  "notes": [
+    {
+      "text": "This VM requires extra installation steps, see install guide at `https://github.com/community-scripts/ProxmoxVE/discussions/144`",
+      "type": "warning"
+    }
+  ]
+}