Updated documentation.

doc/snac.5

@@ -51,6 +51,7 @@ converted to related emojis:
 .Bd -literal
 :-) :-D X-D ;-) B-) :-( :-*
 :-/ 8-o %-) :_( :-| :facepalm: :shrug:
+:eyeroll: :beer: :beers: :munch:
 .Ed
 .El
 .Pp