OpenWrt: Refactor and increase root-partition (#7653)

* move openwrt to correct naming

* Add disk size configuration for OpenWrt VM

Introduces a DISK_SIZE variable to allow setting disk size for OpenWrt VM in both default and advanced settings. Updates VM creation logic to use the specified disk size and improves output formatting for clarity.

* Update openwrt-vm.sh

* Update openwrt-vm.sh

* Update openwrt-vm.sh

* Add newline before loading message in openwrt-vm.sh

Prepends a newline to the loading message for improved output formatting in the openwrt-vm.sh script.

* Update openwrt-vm.sh

* rename vm

* Improve OpenWrt VM network configuration logic

Refactored network interface configuration to use a loop for more robust VM status checking and command delivery. Enhanced bridge interface setup with clearer messaging and improved variable handling. Minor shell syntax improvements for consistency.

* Update openwrt-vm.sh

frontend/public/json/openwrt-vm.json

@@ -0,0 +1,41 @@
+{
+  "name": "OpenWrt",
+  "slug": "openwrt-vm",
+  "categories": [
+    4,
+    2
+  ],
+  "date_created": "2024-05-02",
+  "type": "vm",
+  "updateable": true,
+  "privileged": false,
+  "interface_port": null,
+  "documentation": "https://openwrt.org/docs/start",
+  "website": "https://openwrt.org/",
+  "logo": "https://cdn.jsdelivr.net/gh/selfhst/icons/webp/openwrt.webp",
+  "config_path": "",
+  "description": "OpenWrt is a powerful open-source firmware that can transform a wide range of networking devices into highly customizable and feature-rich routers, providing users with greater control and flexibility over their network infrastructure.",
+  "install_methods": [
+    {
+      "type": "default",
+      "script": "vm/openwrt-vm.sh",
+      "resources": {
+        "cpu": 1,
+        "ram": 256,
+        "hdd": 0.5,
+        "os": null,
+        "version": null
+      }
+    }
+  ],
+  "default_credentials": {
+    "username": null,
+    "password": null
+  },
+  "notes": [
+    {
+      "text": "If you use VLANs (default LAN is set to VLAN 999), make sure the Proxmox Linux Bridge is configured as VLAN-aware, otherwise the VM may fail to start.",
+      "type": "info"
+    }
+  ]
+}