## Summary
- Add the `winget install MoeruAI.AIRI` command to the root README
Windows install tip.
- Mirror the same winget command in the localized README files covered
by the issue.
Closes#1913
## Validation
- `grep -n -B 5 -A 5 "MoeruAI\.AIRI" README.md docs/README.*.md`
- `git diff --check`