Add missing step

npm/ng-packs/README.md

@@ -27,6 +27,7 @@ If would you like contribute, see the [contribution guideline](./CONTRIBUTING.md
  There is a pre-defined git hook for Angular project. This hook is `pre-commit`. The hook run prettier for staged files. If you want to use this hook.  (This steps tested for  linux and Mac os)  
 
  - Go to `npm/ng-packs`
- - Run `chmod +x ./pre-commit`
+ - Run `chmod +x ./pre-commit` in terminal
+ - Run `git config core.hooksPath npm/ng-packs` in terminal
  and now, when you create a git commit, git hook execute prettier for staged files.