Merge pull request #228 from linkml/license add LICENSE, CITATION.cff, .zenodo.json

Merge pull request #211 from linkml/add-alias-slot-to-class-definition Add the alias slot to the class_definition class

Merge pull request #198 from vincentkelleher/update_ifabsent_metamodel Update ifabsent metamodel

Merge pull request #198 from vincentkelleher/update_ifabsent_metamodel Update ifabsent metamodel

Merge pull request #183 from linkml/release-candidate-1.7.0rc3 1.7.0rc3

Merge pull request #178 from linkml/additional-mappings-to-sio Adding mappings to SIO

Merge pull request #168 from pkalita-lbl/versioned-docs Use versioned documentation deployment

Merge pull request #162 from linkml/change-range-of-extensions-to-Any changing the range of extensions from string to Any

Merge pull request #161 from yarikoptic/enh-codespell Codespell: config, action, typos fixed

Merge pull request #153 from linkml/refining-array-model refining array model