Hakim El Hattab 0ce57f1f91 update background test, documented slide backgrounds in readme (#453) %!s(int64=11) %!d(string=hai) anos
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assets 90811b8709 add test directory and simple test document for per-slide backgrounds (#453) %!s(int64=11) %!d(string=hai) anos
background.html 0ce57f1f91 update background test, documented slide backgrounds in readme (#453) %!s(int64=11) %!d(string=hai) anos