[librsvg: 11/21] Link the contributing chapter

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

commit a0a3032cd66228f40b422ecd4ebf3f46b8b1d092
Author: Federico Mena Quintero <federico gnome org>
Date:   Wed Aug 17 17:23:07 2022 -0500

    Link the contributing chapter
    
    Part-of: <https://gitlab.gnome.org/GNOME/librsvg/-/merge_requests/729>

 devel-docs/index.rst | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/devel-docs/index.rst b/devel-docs/index.rst
index 583a6e14a..e35a13bab 100644
--- a/devel-docs/index.rst
+++ b/devel-docs/index.rst
@@ -3,6 +3,7 @@ Development guide for librsvg
 
 .. toctree::
    product
+   contributing
    ci
    :maxdepth: 2
    :caption: Contents:
@@ -44,6 +45,8 @@ FIXME: Overview of the source tree.
 
 Tour of the code - load a file, render it.
 
+Test suite - move tests/readme here?
+
 Design documents
 ================