coder/net-boot-server: Include DHCP TFTP HTTP iSCSI sub services

HOME aa6b0f339b commit: http server for ipxe added.		5 lat temu
..
Properties	eca4c228af commit: tftp OK; todo: timeout and reduct output for speed up	5 lat temu
ExtensionMethods.cs	aa6b0f339b commit: http server for ipxe added.	5 lat temu
Utils.csproj	eca4c228af commit: tftp OK; todo: timeout and reduct output for speed up	5 lat temu