add edition and thesis fields

[tmorrell]

❤️ Thank you for your contribution!

Description

Document fields added in inveniosoftware/invenio-rdm-records#1696

I removed the v12 tag since it's not fully accurate (some of the fields will only be in v13)

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Ticks in all boxes and 🟢 on all GitHub actions status checks are required to merge:

• I'm aware of the code of conduct.
• I've created logical separate commits and followed the commit message format.
• I've targeted the master branch.
• If this documentation change impacts the current release of InvenioRDM, I will backport it to the production branch following approval or indicate to a maintainer that it should be backported.

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[fenekku]

Adjust to appropriate version and good to merge!

[fenekku]

I removed the v12 tag since it's not fully accurate (some of the fields will only be in v13)

So do you want to mark this as Introduced in v13 or granularly indicate which were added in v12 and which in v13?