Update README.md

paxperscientiam · web-flow · commit 2fe3fc3544de · 2021-08-19T00:36:46.000-04:00
`xxh` is available on macports too!
diff --git a/README.md b/README.md
@@ -46,6 +46,11 @@ conda install xxh-xxh
 brew install xxh
 ```
 
+#### [Macports](https://www.macports.org/)
+```shell script
+sudo port install xxh
+```
+
 #### Linux portable binary
 ```shell script
 mkdir ~/xxh && cd ~/xxh
