redsocks: add self as maintainer

pkgs/tools/networking/redsocks/default.nix

···
     description = "Transparent redirector of any TCP connection to proxy";
     homepage = http://darkk.net.ru/redsocks/;
     license = stdenv.lib.licenses.asl20;
-    maintainers = [ ];
+    maintainers = [ stdenv.lib.maintainers.ekleog ];
     platforms = stdenv.lib.platforms.linux;
   };
 }