OGC API - Features - Part 3: Filtering and the Common Query Language (CQL), Version 1.0.0-draft.1

Draft release for submission to the OGC Architecture Board for review.

The draft is available at: https://htmlpreview.github.io/?https://github.com/opengeospatial/ogcapi-features/blob/part3-1.0.0-draft.1/extensions/cql/standard/19-079.html. The HTML document is also attached to the release.