[gnome-builder] doc: add projects blurb

[Christian Hergert <chergert src gnome org>]

commit a0673787837c931fe19ab015d3f5b3272dd99467
Author: Christian Hergert <chergert redhat com>
Date:   Wed Mar 8 22:25:57 2017 -0800

    doc: add projects blurb

 doc/projects/index.rst |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/doc/projects/index.rst b/doc/projects/index.rst
index 5421d39..a34f9ef 100644
--- a/doc/projects/index.rst
+++ b/doc/projects/index.rst
@@ -2,6 +2,9 @@
 Projects
 ########
 
+Whether you want to create a new project or import an existing project, Builder has features that can help 
you.
+Take a look below to learn how to create or import a project, build, and profile your application.
+As we add new features you can learn about them here.
 
 .. toctree::
    :maxdepth: 2