Added docs for Range.reverse. masak++, perlpilot++

Author: Jan-Olof Hendig

doc/Type/Range.pod6

@@ -189,4 +189,16 @@ Returns the sum of all elements in the Range. Throws X::Str::Numeric if an eleme
 
     (1..10).sum #55
 
+=head2 method reverse
+
+    method reverse(Range:D:) returns Seq:D
+
+Returns a L<Seq> where all elements that the C<Range> represents have been
+reversed. Note that reversing an infinite C<Range> won't produce any meaningful
+results.
+
+    say (1^..5).reverse;                              # (5 4 3 2)
+    say ('a'..'d').reverse;                           # (d c b a)
+    say (1..Inf).reverse;                             # (Inf Inf Inf ...)
+
 =end pod