import nginx stuff from ungleich

Signed-off-by: Nico Schottelius <nico@bento.schottelius.org>
update readme

Signed-off-by: Nico Schottelius <nico@bento.schottelius.org>
+readme

Signed-off-by: Nico Schottelius <nico@bento.schottelius.org>