Add Blog App listing#84

boxel-submission-bot wants to merge 1 commit intomaincardstack/boxel-catalog:mainfrom

room-IUJOZ3ZZSlR6Qm1PRlpSeWNuVDpsb2NhbGhvc3Q/blog-appcardstack/boxel-catalog:room-IUJOZ3ZZSlR6Qm1PRlpSeWNuVDpsb2NhbGhvc3Q/blog-appCopy head branch name to clipboard