Document hook setup in README

README.md

@@ -25,6 +25,11 @@ Each of the aragon apps are separate packages:
 
 You can use `npm run install-all` to install all app dependencies at once.
 
+We also recommend using our git hooks for linting staged files and other
+convenient helpers. You can install them via:
+
+    $ npm run setup
+
 ### Local development chain
 
 For local development it is recommended to use