Replace "normal" with "Gaussian" for the distribution #103

The psw rule in Morrison-Lab/psw#510 (issue Morrison-Lab/psw#509) says to write "Gaussian", not "normal", for the distribution.

A rough grep finds one .qmd file here with the word "normal"; check whether it names the distribution (keep normal vectors, normal subgroups and normal forms). Wait for "sweep" before starting. Sibling issues cover lds, mds, pds, sds and psc.

Posted by Claude Code (AI agent) --- not written by a human.