New training forestry module

rst files and images added for first time
Hi

Sorry to answer the rest of your question:

> I'll make the corrections in my repository. should I commit them when I
> feel that you and other people are about done reviewing? Should I then wait
> for the pull request to be accepted and then make a new pull request with
> the changes? Or can the changes be updated to the current request?

Yes please commit and push to your fork as you make fixes - GitHub will automatically update the pull request. Then I will merge your changes when everything is ready.

Regards

Tim