Add Ubuntu 25.10 desktop

Author: tobhe

static/installer_data.json

@@ -1,5 +1,39 @@
 {
 	"os_list": [
+		{
+			"name": "Ubuntu Desktop 25.10",
+			"default_os_name": "Ubuntu",
+			"boot_object": "m1n1.bin",
+			"next_object": "m1n1/boot.bin",
+			"package": "ubuntu-desktop-25.10-20251213.zip",
+			"icon": "logo.icns",
+			"supported_fw": ["12.3", "12.4", "13.5"],
+			"partitions": [
+				{
+					"name": "EFI",
+					"type": "EFI",
+					"size": "1024MB",
+					"format": "fat",
+					"volume_id": "0xB8A4E068",
+					"copy_firmware": true,
+					"copy_installer_data": true,
+					"source": "esp"
+				},
+				{
+					"name": "Boot",
+					"type": "Linux",
+					"size": "2147483648B",
+					"image": "boot.img"
+				},
+				{
+					"name": "Root",
+					"type": "Linux",
+					"size": "12GB",
+					"expand": true,
+					"image": "root.img"
+				}
+			]
+		},
 		{
 			"name": "Ubuntu Desktop 25.04",
 			"default_os_name": "Ubuntu",