update dev guide further

README.md

@@ -20,6 +20,18 @@ can also do stuff like running it with
 
 There's some githooks setup to auto format it with black. that is the style.
 
+Think you might also have to setup the githooks yourself on your end if you care
+
+use the 
+
+```pre-commit run --all-files```
+
+and 
+
+```pre-commit install```
+
+commands to do it
+
 
 ## Todo