fix outdated nbdev_install_git_hooks in getting started

Author: KBodolai

README.md

@@ -133,7 +133,8 @@ strive to abide by generally accepted best practices in open-source
 software development.
 
 Make sure you have `nbdev`’s git hooks installed by running
-`nbdev_install_git_hooks` in the cloned repository.
+[nbdev_install_hooks](https://nbdev.fast.ai/clean.html#nbdev_install_hooks)
+in the cloned repository.
 
 ## Copyright
 

nbs/getting_started.ipynb

@@ -181,7 +181,7 @@
    "source": [
     "If you want to contribute to `nbdev`, be sure to review the [contributions guidelines](https://github.com/fastai/nbdev/blob/master/CONTRIBUTING.md). This project adheres to fastai's [code of conduct](https://github.com/fastai/nbdev/blob/master/CODE_OF_CONDUCT.md). By participating, you are expected to uphold this code. In general, we strive to abide by generally accepted best practices in open-source software development.\n",
     "\n",
-    "Make sure you have `nbdev`'s git hooks installed by running `nbdev_install_git_hooks` in the cloned repository."
+    "Make sure you have `nbdev`'s git hooks installed by running `nbdev_install_hooks` in the cloned repository."
    ]
   },
   {