Added testimonials and connect

Signed-off-by: keithhc2 <keithhc2@users.noreply.github.com>

_data/footer.yml

@@ -26,6 +26,9 @@ columns:
       -
         title: FAQ
         url: '/faq/'
+      -
+        title: Testimonials
+        url: '/testimonials.html'
       -
         title: 'Brand Guidelines'
         url: '/brand.html'
@@ -45,5 +48,5 @@ columns:
       #  title: 'Facebook'
       #  url: 'http://www.facebook.com/opensearch'
       -
-        title: 'E-mail'
+        title: 'Connect'
-        url: 'mailto:opensearch@amazon.com'
+        url: 'https://opensearch.org/connect.html'