update README with mybinder badge

.gitlab-ci.yml

@@ -32,7 +32,7 @@ test_project:
 test_docker_registry:
   # Test of last container in registry
   stage: test
-  image: gitlab-registry.in2p3.fr/escape2020/wp3/template_project_escape/escape_template_project:v1.0
+  image: gitlab-registry.in2p3.fr/escape2020/wp3/template_project_escape:v2.2
   script:
     - source activate escape_template
     - square_number -i -12.5

README.md

@@ -3,6 +3,9 @@
 [![pipeline status](https://gitlab.in2p3.fr/escape2020/wp3/template_project_escape/badges/master/pipeline.svg)](
 https://gitlab.in2p3.fr/escape2020/wp3/template_project_escape/-/commits/master)
 [![License: MIT](https://img.shields.io/badge/License-MIT-green.svg)](https://opensource.org/licenses/MIT)
+[![Binder](https://mybinder.org/badge_logo.svg)](
+https://mybinder.org/v2/gh/https%3A%2F%2Fgitlab.in2p3.fr%2Fescape2020%2Fwp3%2Ftemplate_project_escape/HEAD)
+
 
 
 <p align="center">