Add Blog App listing#87

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

room-IWJJY1FRZUV2VWtMZ1doWVZ2bTpsb2NhbGhvc3Q/blog-appcardstack/boxel-catalog:room-IWJJY1FRZUV2VWtMZ1doWVZ2bTpsb2NhbGhvc3Q/blog-appCopy head branch name to clipboard