Fix windows menu and add vdi menu

config/menus/vdi.ipxe

@@ -0,0 +1,33 @@
+#!ipxe
+
+# VDI
+# Mostly copied from alpinelinux.ipxe
+# Requires thinclient.apkovl.tar.gz to be setup and placed in /assets
+# https://www.apalrd.net/posts/2022/alpine_vdiclient/
+
+set alpine_version v3.22
+set os_arch ${arch}
+set cmdline modules=loop,squashfs quiet
+
+isset ${dhcp-server} && set ipparam ip=dhcp || set ipparam ip=${ip}::${gateway}:${netmask}::::${dns}
+
+set server http://${next-server}
+set apkovl ${server}/thinclient.apkovl.tar.gz
+
+set base-url ${alpinelinux_mirror}
+set dir ${alpinelinux_base_dir}/${alpine_version}/releases/${os_arch}/netboot
+
+set vmlinuz ${base-url}/${dir}/vmlinuz-lts
+
+set initramfs ${base-url}/${dir}/initramfs-lts
+set modloop ${base-url}/${dir}/modloop-lts
+
+set repo ${alpinelinux_mirror}/${alpinelinux_base_dir}/${alpine_version}/main
+
+imgfree
+kernel ${vmlinuz} ${ipparam} ${cmdline} alpine_repo=${repo} modloop=${modloop} apkovl=${apkovl} initrd=initrd.magic
+initrd ${initramfs}
+echo
+echo MD5sums:
+md5sum vmlinuz-lts initramfs-lts
+boot