Attribution restore for Readme.md formatting

After moving repository from deprected one (https://github.com/kimhansen/Fairphone---DEPRECATED) the attributions to all [push requests](https://github.com/kimhansen/Fairphone---DEPRECATED/pulls?direction=desc&page=1&sort=created&state=closed) made by contributors were lost.

This pull request restores the atribution of this pull request: [Adding format to readme.md file](https://github.com/kimhansen/Fairphone---DEPRECATED/pull/42)