Harmonize author and keyword fields

[ludovicm67]

Many packages were not defining the author and/or the keywords fields in the package.json file.
This PR fixes this.

[changeset-bot]

🦋 Changeset detected

Latest commit: 080f5d8

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 12 packages

Name	Type
@zazuko/trifid-markdown-content	Patch
@zazuko/trifid-entity-renderer	Patch
trifid-plugin-graph-explorer	Patch
trifid-handler-fetch	Patch
@zazuko/trifid-plugin-sparql-proxy	Patch
trifid	Patch
trifid-plugin-yasgui	Patch
@zazuko/trifid-plugin-ckan	Patch
trifid-core	Patch
trifid-plugin-i18n	Patch
@zazuko/trifid-plugin-iiif	Patch
trifid-plugin-spex	Patch

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