[gimp-web/testing] Mention the search system in the 2.10 release notes

[Alexandre Prokoudine <aprokoudine src gnome org>]

commit 0566b2ff03fa6b2bcf29700cb6bbcccbf768c2a3
Author: Alexandre Prokoudine <alexandre prokoudine gmail com>
Date:   Tue Jun 12 02:21:11 2018 +0300

    Mention the search system in the 2.10 release notes

 content/release-notes/gimp-2.10.md | 12 ++++++++++++
 1 file changed, 12 insertions(+)
---
diff --git a/content/release-notes/gimp-2.10.md b/content/release-notes/gimp-2.10.md
index 897b0771..20a6dd82 100644
--- a/content/release-notes/gimp-2.10.md
+++ b/content/release-notes/gimp-2.10.md
@@ -522,6 +522,18 @@ Your browser does not support the video tag.
 
 **Contributors:** Michael Natterer, Ell…
 
+## Search system
+
+As GIMP keeps growing and getting more features, it becomes increasingly
+difficult to locate this or that command in the user interface. This is
+especially true when you are a new user who has yet to master image editing,
+or an experienced user who is accustomed to a different application.
+
+GIMP 2.10 comes with a search system that allows easily locating a command available in GIMP's menu. Press 
the slash key (**/**), type a keyword,
+and choose the command that looks most applicable.
+
+**Contributors:** Srihari Sriraman, Jehan…
+
 ### Simplified bug reporting and crash recovery
 
 We need good bug reports to make GIMP better for you, so we introduced a new