Update the status check more often and write a comment

[TooAngel]

When a github webhook is triggered the github commit status should be updated and a comment should be written to keep the contributor informed.

When a PR is created a comment is already created, but the status check can be set, too. When a Review is done a comment is already created, but the status check can be set, too. When the Pull Request is updated (due to a push / force push), a comment should be written that the time to merge is reset and the status check can be set accordingly.

This will make sure that the information on the Pull Request is more up to date and contributors are better informed about the current status. ...