Archive explorer ToDos and potential enhancements

[nevrome]

I just published the new archive explorer. Here are some ToDos for the future, ideally for @93Boy. Generally each of them deserves an own Pull Request, but maybe the map-related ones can be solved in one go.

• Write a little blog post at https://blog.poseidon-adna.org about the new archive explorer to introduce it to the world.

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Currently possible changes for the map:

• The per-sample popups in the map should only show the information we actually have for a given sample, so the empty fields should be omitted.
• The sample popups should also have a button to open the relevant per-package page.
• Modern and ancient samples should be distinguished by marker shape in the map (although the marker clusters generally omit the individual markers, admittedly...)

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Currently possible changes beyond the map:

• The per-package pages should include some more summary statistics for the package. E.g. How many modern/ancient samples are in the package? How many are male/female/unknown? What is the mean number of SNPs?
• We should get a clever mechanism to attribute each per-package page an own URL, so that they can be referenced directly.
• List old package versions on the per-package pages.

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Changes that will be possible in the future with a more beefed-up version of the Web API:

• Load detailed sample information for the per-package pages only per package to safe bandwidth.
• Display more general meta/context information (e.g. contributors) for each package on the per-package pages.
• Render the package changelog on the per-package pages as we did for the old homepage.
• Render the literature references on the per-package pages as we did for the old homepage.

@stschiff Do you agree with this? Feel free to add or change any of these suggestions.

[stschiff]

Yes, perfect summary. Thanks! I think @93Boy / @dhananjaya93 can start on this any time.