docs: replace manual cross-account setup with quiltx bucket add#4803

Draft

drernie wants to merge 3 commits intomasterfrom

docs/cross-account-quiltx

Commits on Apr 6, 2026

docs: replace manual cross-account setup with quiltx bucket add

drernie
and
claude
committed
docs: fix quiltx description to not limit it to cross-account setup

drernie
and
claude
committed

Commits on Apr 7, 2026

docs: address PR review comments on CrossAccount.md

drernie
and
claude
committed