docs/website/sponsors: credit Scaleway for the Hackathon

Better late than never: let's thank Scaleway who provided some
excellent hosting conditions for our March 2018 Hackathon in Paris.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

docs/website/sponsors.html

@@ -4,6 +4,24 @@
 <div class="row nh"><!-- current sponsor row -->
 <div class="col-lg-10 col-lg-offset-1 col-md-12 col-sm-12 col-xs-12">
 
+  <div class="panel panel-primary">
+    <div class="panel-heading">Sponsor of the Buildroot Hackathon, March 2018</div>
+    <div class="panel-body">
+      <div class="col-sm-6">
+	<p>The Buildroot community would like to
+	  thank <a href="https://www.scaleway.com/">Scaleway</a>, who
+	  provided the complete logistics to organize our Buildroot
+	  Hackathon in Paris in March 2018: meeting room, Internet
+	  connectivity and accommodation.</p>
+      </div>
+      <div class="col-sm-6">
+	<a href="http://www.scaleway.com">
+	  <img class="img-responsive center-block" src="images/scaleway-logo.png"/>
+	</a>
+      </div>
+    </div>
+  </div>
+
   <div class="panel panel-primary">
     <div class="panel-heading">Past sponsors</div>
     <div class="panel-body">