[release-notes/gnome-3-26] Add screenshot for Builder

[Andreas Nilsson <andreasn src gnome org>]

commit d2879a7644e74643c70d7c358864615838bf7362
Author: Andreas Nilsson <anilsson redhat com>
Date:   Fri Sep 8 11:37:07 2017 +0200

    Add screenshot for Builder

 help/C/developers.page     |    2 +-
 help/C/figures/builder.png |  Bin 0 -> 258122 bytes
 2 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/help/C/developers.page b/help/C/developers.page
index 3097f5b..ca7a827 100644
--- a/help/C/developers.page
+++ b/help/C/developers.page
@@ -27,7 +27,7 @@
 
   <section id="builder">
     <title>Builder</title>
-    <media type="image" src="figures/placeholder.png"/>
+    <media type="image" src="figures/builder.png"/>
     <p><app>Builder</app>, the GNOME integrated development environment (IDE),
     has made major advances in 3.26, with general improvements as well as new
     features. One of the most obvious changes in the new version is a redesigned
diff --git a/help/C/figures/builder.png b/help/C/figures/builder.png
new file mode 100644
index 0000000..3494d66
Binary files /dev/null and b/help/C/figures/builder.png differ