[libgudev/wip/hadess/license-headers: 3/3] README: Mention license

[Bastien Nocera <hadess src gnome org>]

commit e3834de6cca55d7294bc3932af1ea9f85f5f116b
Author: Bastien Nocera <hadess hadess net>
Date:   Thu Mar 25 10:57:50 2021 +0100

    README: Mention license

 README.md | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)
---
diff --git a/README.md b/README.md
index d5b26d5..c34d966 100644
--- a/README.md
+++ b/README.md
@@ -27,4 +27,10 @@ for its tests.
 Bugs and patches
 ----------------
 
-Bugs and patches can be contributed on [the project's GitLab page](https://gitlab.gnome.org/GNOME/libgudev/).
\ No newline at end of file
+Bugs and patches can be contributed on [the project's GitLab page](https://gitlab.gnome.org/GNOME/libgudev/).
+
+License
+-------
+
+libgudev, as a combined works, is released under the GNU Lesser General
+Public License version 2.1 or later. See `COPYING` file for details.