Add "thirdcircle" option to allow narrowed hemicycles#60

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RichardMN wants to merge 5 commits intozmeers:masterfrom RichardMN:one_third_cycle

+104-28

Commits on Oct 27, 2024

Commits on Oct 29, 2024

Add thirdcycle example to vignette, rebuild documentation
RichardMN
committed

Commits on Jan 4, 2025

Add synonym for thirdcircle, correct warning handling
RichardMN
committed