As BitBar has a plugin for Pi-hole, maybe someone is interested in.
The BitBar app lets you put the output from any script or program right in your Mac OS X menu bar. And it's completely free. An impressive number of plugins have already been contributed by a wide range of developers just like you, and this site makes it easy to find them.
Show your Pi-Hole (Raspberry Pi adblocker) status. Todays blocked ads, DNS queries and number of domains in block list.
(I'm not the developer of BitBar and plugin 
)