It's also worth noting that Dnsmasq will respect the /etc/hosts file on the machine running Pi-hole. You can use it just like the hosts file on your computer, but it will apply across the local net.
I use this all the time to keep up with all the little devices on the LAN. For instance say I have an Odroid SBC I need to shell into, and I've setup an entry for it in Pi-hole's hosts file. Now rather than,
I can do something like,
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