Merge pull request #4 from davidbrochart/binder_link

Fix binder link

README.md

@@ -2,7 +2,7 @@
 
 [![Travis](https://travis-ci.org/xtensor-stack/xtensor-zarr.svg?branch=master)](https://travis-ci.org/xtensor-stack/xtensor-zarr)
 [![ReadTheDocs](https://readthedocs.org/projects/xtensor-zarr/badge/?version=stable)](http://xtensor-zarr.readthedocs.io/en/stable/)
-[![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/davidbrochart/xtensor-zarr/zarr_v3?filepath=examples%2Fintroduction.ipynb)
+[![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/xtensor-stack/xtensor-zarr/master?filepath=examples%2Fintroduction.ipynb)
 [![Join the Gitter Chat](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/QuantStack/Lobby?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 
 Implementation of the Zarr version 3.0 core protocol based on xtensor
@@ -47,7 +47,7 @@ sudo make install
 To try out xtensor-zarr interactively in your web browser, just click on the binder
 link:
 
-[![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/davidbrochart/xtensor-zarr/zarr_v3?filepath=examples%2Fintroduction.ipynb)
+[![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/xtensor-stack/xtensor-zarr/master?filepath=examples%2Fintroduction.ipynb)
 
 ## Documentation