[Pharo 7.0-dev] Build #638: Added Contribute.md

There is a new Pharo build available!
       
The status of the build #638 was: SUCCESS.

The Pull Request #991 was integrated: "Added Contribute.md"
Pull request url: https://github.com/pharo-project/pharo/pull/991

Issue Url: https://pharo.fogbugz.com/f/cases/patch
Build Url: https://ci.inria.fr/pharo-ci-jenkins2/job/Test%20pending%20pull%20request%20and%20branch%20Pipeline/job/development/638/