[gnome-games/libretro] Added Genesis Plus GX appdata

[Alexander Mikhaylenko <alexm src gnome org>]

commit e478d35104ca363a9a04a3b8be93ef0f353723a0
Author: Alexander Mikhaylenko <exalm7659 gmail com>
Date:   Fri Jan 18 19:01:54 2019 +0500

    Added Genesis Plus GX appdata

 appdata/libretro-genesis-plus-gx.metainfo.xml | 12 ++++++++++++
 1 file changed, 12 insertions(+)
---
diff --git a/appdata/libretro-genesis-plus-gx.metainfo.xml b/appdata/libretro-genesis-plus-gx.metainfo.xml
new file mode 100644
index 00000000..343d7398
--- /dev/null
+++ b/appdata/libretro-genesis-plus-gx.metainfo.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<component type="addon">
+  <id>libretro-genesis-plus-gx</id>
+  <extends>org.gnome.Games.desktop</extends>
+  <extends>retroarch.desktop</extends>
+  <name>Genesis Plus GX</name>
+  <summary>Sega 8/16 bit emulator</summary>
+  <url type="homepage">https://github.com/libretro/Genesis-Plus-GX</url>
+  <url type="bugtracker">https://github.com/libretro/Genesis-Plus-GX/issues</url>
+  <metadata_license>CC0-1.0</metadata_license>
+  <project_license>LicenseRef-proprietary</project_license>
+</component>