[enhancement] Pull-request body

[casperklein]

Is your feature request related to a problem? Please describe

At the moment, the PR body is equal to the title.

Description of the new feature/enhancement

I think it could be useful, when the body contains the contributors that the PR is going to add:

This pull-request adds the following new contributors:

- new-contributor1
- new-contributor2

Proposed technical implementation details (optional)

Additional context

First discussed in #49

[gitmagic-app[bot]]

Everything looks good :thumbsup:

[gitmagic-app[bot]]

Everything looks good :thumbsup:

[BobAnkh]

Ok, thank you.

I will take this into consider next week when free. I also hope you are aware that this feature may not be implemented due to lack of history data.