Switch to side-by-side view

--- a/src/sampleconf/mimemap
+++ b/src/sampleconf/mimemap
@@ -136,3 +136,5 @@
 .6 = text/x-man
 .7 = text/x-man
 .8 = text/x-man
+.n = text/x-man
+.3pm = text/x-man