* Add migration article and assets * Optimize images * update projects classic reusable notice * Apply suggestions from code review Co-authored-by: Sarah Edwards <skedwards88@github.com> * update gotchas, add note for repo-level projects * tweak * Update content/issues/trying-out-the-new-projects-experience/migrating-your-project.md Co-authored-by: Sarah Edwards <skedwards88@github.com> Co-authored-by: github-actions <github-actions@github.com> Co-authored-by: Sarah Edwards <skedwards88@github.com> Co-authored-by: mc <42146119+mchammer01@users.noreply.github.com>