bug.pl: add .bug command

scripts/autorun/bug.pl

@@ -84,6 +84,12 @@ Irssi::signal_add 'event privmsg' => sub {
     };
 
     my @channels = split ' ', Irssi::settings_get_str('bug_targets');
+    if ($text =~ s/^\.bug //) {
+        if ($target eq $src) {
+            $src = undef;
+        }
+        url_process($src, $on_info, $nick, $text);
+    }
     unless (grep { uc($target) eq uc($_)} @channels) {
         return;
     }