[gimp-web/testing] content: adding link in form of button to release notes in news item.

[Jehan Pagès <jehanp src gnome org>]

commit 17ccd43e8e7d0b5181d897339d10e5072cd89680
Author: Jehan <jehan girinstud io>
Date:   Fri Apr 27 11:13:05 2018 +0200

    content: adding link in form of button to release notes in news item.
    
    Link already given at start of section, but let's repeat it again in an
    obvious way.

 .../news/2018-04-26_GIMP_2.10.0_Released/index.md  |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/content/news/2018-04-26_GIMP_2.10.0_Released/index.md 
b/content/news/2018-04-26_GIMP_2.10.0_Released/index.md
index 8b6b37d..eabeef7 100644
--- a/content/news/2018-04-26_GIMP_2.10.0_Released/index.md
+++ b/content/news/2018-04-26_GIMP_2.10.0_Released/index.md
@@ -45,7 +45,12 @@ notable changes:
   Preferences).
 * And more, better, more, and even more awesome!
 
-# Enjoy GIMP #
+<a href="https://www.gimp.org/release-notes/gimp-2.10.html";
+   title="GIMP 2.10.0 Release Notes" >
+    <span id="ReleaseButton">READ COMPLETE RELEASE NOTES</span>
+</a>
+
+# Enjoy GIMP! #
 
 <figure>
     <img src="{attach}gimp-2-10-0-Wilber-pepper.png" alt="Wilber likes it spicy!" width='714' height='602' />