Add GNvim to projects using gtk-rs list

Author: vhakulinen

index.md

@@ -108,6 +108,7 @@ features = ["v3_16"]
 * [Fractal](https://gitlab.gnome.org/danigm/fractal)
 * [Garta](https://github.com/zaari/garta)
 * [Gattii](https://gitlab.com/susurrus/gattii)
+* [GNvim](https://github.com/vhakulinen/gnvim)
 * [glide](https://github.com/philn/glide)
 * [gpsami](https://github.com/hfiguiere/gpsami)
 * [Icon Library](https://gitlab.gnome.org/World/design/icon-library)