[libgudev/bilelmoussaoui/gi-docgen: 5/6] readme: Mention the docs URL

[Bilal Elmoussaoui <bilelmoussaoui src gnome org>]

commit eca9cc89b7b490038e06d58dfa201097bbd9e347
Author: Bilal Elmoussaoui <belmouss redhat com>
Date:   Sat Feb 5 13:19:46 2022 +0100

    readme: Mention the docs URL

 README.md | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/README.md b/README.md
index c34d966..8a943c9 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,9 @@ The official download locations are:
 The official web site is:
   https://gitlab.gnome.org/GNOME/libgudev/
 
+The nightly documentations are available in:
+  https://gnome.pages.gitlab.gnome.org/libgudev/
+
 Installation
 ------------