MAINTAINERS: Add Juan Quintela to developer guides review

Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20230419163457.17175-1-quintela@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 2c2068e..24154f5 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -70,6 +70,7 @@
 R: Thomas Huth <thuth@redhat.com>
 R: Markus Armbruster <armbru@redhat.com>
 R: Philippe Mathieu-Daudé <philmd@linaro.org>
+R: Juan Quintela <quintela@redhat.com>
 W: https://www.qemu.org/docs/master/devel/index.html
 S: Odd Fixes
 F: docs/devel/style.rst