feat(ipxe): adding configurations for ipxe support

ipxe/etc/dnsmasq.d/pxe.conf

@@ -0,0 +1,21 @@
+log-queries
+log-dhcp
+
+port=0
+listen-address=0.0.0.0
+interface=eth0
+
+enable-tftp
+tftp-root=/srv/tftpboot
+
+dhcp-no-override
+
+pxe-prompt="Cadoles PXE Boot in",5
+pxe-service=X86PC,"Booting from network the Cadoles way",menu/boot.ipxe
+
+dhcp-range=192.168.40.20,proxy
+dhcp-match=set:ipxe,175
+dhcp-vendorclass=BIOS,PXEClient:Arch:00000
+dhcp-boot=tag:!ipxe,tag:BIOS,undionly.kpxe,192.168.40.20
+dhcp-boot=tag:!ipxe,tag:!BIOS,ipxe.efi,192.168.40.20
+dhcp-boot=tag:ipxe,menu/boot.ipxe

ipxe/etc/mini_httpd/mini_httpd.conf

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+port=80
+user=minihttpd
+dir=/srv/os/butane
+nochroot

ipxe/tftpboot/menu.ipxe

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+#!ipxe
+
+:start
+menu Cadoles PXE Boot Options
+item shell iPXE shell
+item klead CadolesKube Leader
+item kmaster CadolesKube Master
+item knode CadolesKube Node
+item exit  Exit to BIOS
+
+choose --default exit --timeout 10000 option && goto ${option}
+
+:shell
+shell
+
+:klead
+set base-url http://stable.release.flatcar-linux.net/amd64-usr/current
+set ignition-url http://192.168.10.177:8001/leader.json
+
+kernel ${base-url}/flatcar_production_pxe.vmlinuz initrd=flatcar_production_pxe_image.cpio.gz flatcar.first_boot=1 ignition.config.url=${ignition-url}
+initrd ${base-url}/flatcar_production_pxe_image.cpio.gz
+boot
+
+:kmaster
+set base-url http://stable.release.flatcar-linux.net/amd64-usr/current
+set ignition-url http://192.168.10.177:8001/master.json
+
+kernel ${base-url}/flatcar_production_pxe.vmlinuz initrd=flatcar_production_pxe_image.cpio.gz flatcar.first_boot=1 ignition.config.url=${ignition-url}
+initrd ${base-url}/flatcar_production_pxe_image.cpio.gz
+
+:knode
+set base-url http://stable.release.flatcar-linux.net/amd64-usr/current
+set ignition-url http://192.168.10.177:8001/worker.json
+
+kernel ${base-url}/flatcar_production_pxe.vmlinuz initrd=flatcar_production_pxe_image.cpio.gz flatcar.first_boot=1 ignition.config.url=${ignition-url}
+initrd ${base-url}/flatcar_production_pxe_image.cpio.gz
+:exit
+exit