sdl2_net: new package

Signed-off-by: Francois Perrad <francois.perrad@gadz.org>
[Thomas: add entry to DEVELOPERS file.]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
diff --git a/DEVELOPERS b/DEVELOPERS
index e4b6644..fa00dc8 100644
--- a/DEVELOPERS
+++ b/DEVELOPERS
@@ -577,6 +577,7 @@
 F:	package/pkg-luarocks.mk
 F:	package/qemu/
 F:	package/sdl2_mixer/
+F:	package/sdl2_net/
 F:	package/tekui/
 F:	support/scripts/scancpan