[gobject-introspection] website: Add link to C/typelib ABI cross-validator

[Emmanuele Bassi <ebassi src gnome org>]

commit 5b571261470e47f89c1f4728ba8fd376cc4ac9c6
Author: Tomasz Miąsko <tomasz miasko gmail com>
Date:   Wed Feb 13 00:00:00 2019 +0000

    website: Add link to C/typelib ABI cross-validator

 docs/website/users.rst | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/docs/website/users.rst b/docs/website/users.rst
index 375d085e..181053b2 100644
--- a/docs/website/users.rst
+++ b/docs/website/users.rst
@@ -45,6 +45,7 @@ Projects using GObject Introspection
  * `gir2xmi <https://github.com/jralls/gir2xmi>`__ - UML model generator for GObject-Introspection Gir 
files. 
  * `playerctl <https://github.com/acrisci/playerctl>`__ - a library and cli for controlling media players 
that implement the MPRIS DBus interface
  * `i3ipc-glib <https://github.com/acrisci/i3ipc-glib>`__ - a library for extensions to the i3 window manager
+ * `gabi <https://gitlab.gnome.org/tmiasko/gabi>`__ - a C/typelib ABI cross-validator
 
 Projects that could use GObject-Introspection
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