Checklist

• There are no similar issues or pull requests for this yet.
• The request is not specific for MICOM Qiime 2 plugin (q2-micom)

Bundled action items

This is issue is a collection of small things that should be fixed in the docs.

• fix links in the docs
• provide a section summarizing the available DBs and media
• Improve the workflows section and maybe split it
• give more info and the tradeoff parameter and how to choose it
• update the theoretical/methods intro
• document the QIIME2 artifact readers
• update the docs for elasticities
• add solver installation to docs