[dev-context] CGModules new: metaducks version 24.12.2020 published.

Jairo A. del Rio submitted the new metaducks package. Version number: 24.12.2020 License type: GNU General Public License Wants to be in ConTeXt distribution: yes Wants to be synced with CTAN: no Summary description: Ducks for ConTeXt! Announcement text: ---------------------------------------------------------------------- ----------------------------------------------------------------------