codemeta mapping for bio.tools

[tmorrell]

Issues documented in https://github.com/caltechlibrary/convert_codemeta

[tmorrell]

First release of convert_codemeta handles a lot of the mapping issues: https://github.com/caltechlibrary/convert_codemeta/releases/tag/v0.0.1

There are a few more improvements before the complete mapping is finished.