Add guest lecture on images and satellite data

[JanineBirnbaum18]

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[rabernat]

Thanks a lot for this Janine! I will review it soon.

[tjcrone]

Edit: I suggest we review this notebook and incorporate it if we would like to add a lecture on images and satellite data.

[JanineBirnbaum18]

That sounds fine. I think Ryan was planning to review it and then add it as a lecture. It should probably be moved into the lectures folder.

[tjcrone]

Thank you very much for your contribution @JanineBirnbaum18! I wasn't sure if this PR was still active. Sounds like it is so I will keep it open. Thank you!