Prepare v0.7.0 release

Prepare v0.7.0 release

Update README to point to correct version

Add latest extension releases and add CITATION.cff file

Add latest extension releases and add CITATION.cff file

Add ranks and slot_group to Mims{HumanGut,Soil,PlantAssociated}Ancien…

…t extensions

Add rank ordering and slot groups for MimsHostAssociatedAncient and M…

…imsSedimentAncient

Generate new schema with ranks and slot-groups for MimsHumanAssociate…

…dAncient

Fix missing combinations

Re-generate files for release