Read rmarkdown format from metadata: rmd_format
diff --git a/NAMESPACE b/NAMESPACE
index ace2ce4..582b8d5 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -3,6 +3,8 @@
 export("%>%")
 export(add_footnote)
 export(magic_mirror)
+export(rmd_format)
 import(stringr)
 importFrom(XML,readHTMLTable)
 importFrom(knitr,kable)
+importFrom(rmarkdown,metadata)