[librsvg: 1/7] README.md: link to the development guide

[Marge Bot <marge-bot src gnome org>]

commit 07b1073aa31e58830dfc2aa4fa2af6f4d9b866d3
Author: Federico Mena Quintero <federico gnome org>
Date:   Thu Aug 18 10:43:31 2022 -0500

    README.md: link to the development guide
    
    Part-of: <https://gitlab.gnome.org/GNOME/librsvg/-/merge_requests/730>

 README.md | 5 +++++
 1 file changed, 5 insertions(+)
---
diff --git a/README.md b/README.md
index b97cf7780..03dcb13ea 100644
--- a/README.md
+++ b/README.md
@@ -75,6 +75,11 @@ documentation for information on how to load the `Rsvg` namespace.
 There is a code of conduct for contributors to librsvg; please see the
 file [`code-of-conduct.md`][coc].
 
+Please see the [Development guide for
+librsvg](https://gnome.pages.gitlab.gnome.org/librsvg/devel-docs/index.html)
+on how to contribute to librsvg, how set up your development
+environment, and for a description of librsvg's architecture.
+
 For information on how to report bugs, or how to contribute to librsvg
 in general, please see the file [`CONTRIBUTING.md`][contributing].