Pick bug report or feature request, and the tool generates a Markdown GitHub issue template with the matching fields pre-structured.
Yes, generate one of each and save them separately under .github/ISSUE_TEMPLATE/ — GitHub will let reporters pick which one to use.
Yes, as a starting point — review names, paths, and details against your actual project before committing.
No. Everything is built client-side in your browser; nothing is sent anywhere until you commit it yourself.