* add handler for code

lib/Text/Dokuwiki/Render/Markdown.pm

@@ -46,6 +46,7 @@ sub ol { my $self = shift; $self->_list(@_); };
 sub b  { my $self = shift; $self->_wrap('**', @_); } # bold
 sub i  { my $self = shift; $self->_wrap('*',  @_); } # italics
 sub u  { my $self = shift; $self->_wrap('*',  @_); } # underline, replace with italics
+sub code { my $self = shift; $self->_wrap('`', @_); } # inline code
 
 sub div {
   my ($self, $attrs, $content) = @_;