Jean-Baptiste Poline

Adding a code of conduct on nilearn contributing

8

Adding some document to specify that interactions on github issues discussions and on the discord platform should be respectful and inclusive ### Affected pages [CONTRIBUTING.rst](https://github.com/nilearn/nilearn/blob/main/CONTRIBUTING.rst)

configuration credentials.force-ask are taken from global and not specific repository

1

### What is the problem? I used `datalad configuration credentials.force-ask=true` which was saved in .git/config but that was not taken in effect when l tried create sibling-github Happens because datalad...