Add doc/rdoc directory to .document

Adding the doc/rdoc directory to .document will allow files in that directory to be included in the documentation.
2022-07-26 12:31:47 -04:00 · 2022-07-26 12:31:47 -04:00 · 33f9e8f4ea
--- a/doc/.document
+++ b/doc/.document
@ -5,3 +5,4 @@ contributing
 NEWS
 syntax
 optparse
+rdoc