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

HOME aa6b0f339b commit: http server for ipxe added.		5 lat temu
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DhcpEntry.cs	aa6b0f339b commit: http server for ipxe added.	5 lat temu
DhcpEntryManager.cs	aa6b0f339b commit: http server for ipxe added.	5 lat temu
DhcpPacket.cs	aa6b0f339b commit: http server for ipxe added.	5 lat temu