add biofouling examples to RT and recovery

[soerenthomsen]

I added the 4 images provided by Gerd Krahmann and Mario Mueller.

@gkrahmann I now splitted these parts on the RTQC and the recovery section but made links to the the images.

This closes #24 and relates to #113

[github-actions]

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[gkrahmann]

Reads fine. As md in the browser the figure captions look not so great. Is that different in the pdfs?

[soerenthomsen]

Thanks for checking so quickly. At the moment we are not building a pdf but the final online document is here: https://oceangliderscommunity.github.io/Oxygen_SOP/sections/oxygen_rtqc.html

To assess how the changes look like before merging you can have a look here: https://616d32c5117afe921c0a4059--oxygensop.netlify.app/readme, which is provided by the GitHub action each time we make a pull request.

Please also officially approve when you are done with your review.

[gkrahmann]

That link looks much better. I look at it in the review part 'view file' under the three dots.

[gkrahmann]

ok

[soerenthomsen]

Yes in the md file it is not so beautiful but thats ok. We only direct the readers to the jupyter book which is build. Julius added this action which you can see at the top of this conversion so that you can see how these changes will look like in the real deployment / book before merging. This helps to identify errors before merging and the main document stays clean.

[gkrahmann]

one comment.
I uploaded full size images (several MB). They load very slowly. Maybe we reduce the resolution.