Add `meet` and `join` duplicates of `and` and `or`#26

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T0mstone wants to merge 4 commits intotypst:mainfrom

T0mstone:wedge-vee

Commits on Jan 4, 2025

Add `wedge` and `vee` duplicates of `and` and `or`
T0mstone
committed

Commits on Jan 6, 2025

Also add sect.wedge and union.vee
T0mstone
committed

Commits on Jan 23, 2026