Add add_header_left html
diff --git a/NAMESPACE b/NAMESPACE
index 905a515..961edc0 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -3,6 +3,7 @@
 export("%>%")
 export(add_footnote)
 export(add_header_above)
+export(add_header_left)
 export(add_indent)
 export(collapse_rows)
 export(column_spec)