Integrate Specify Network with Specify forms

[maxpatiiuk]

The darwin core mappings using by sp7 are available in each instance at this URL:

https://sp7demofish.specifycloud.org/static/config/S2nSchemaMapping.xml
https://sp7demofish.specifycloud.org/static/config/S2nDwcMeta.xml

Need to adapt the back-end endpoint so that front-end can call it and get a formatted json file for a single resource (or add a support for doing this on the front-end)

Then, would be able to display it as a column here: