Merge pull request #937 from jmertic/patch-3

Update DigitalOcean link

Author: balhar-jakub

_layouts/default.html

@@ -115,7 +115,7 @@
       Zowe is hosted by <a href="https://www.openmainframeproject.org/"><img style="padding-top:3%;width:50%" src="/assets/img/omp-logo.png"></a>
       <p>Hosting infrastructure for this project is supported by:</p>
       <p>
-        <a href="https://www.digitalocean.com/?utm_medium=opensource&utm_source=zowe">
+        <a href="https://www.digitalocean.com/?refcode=77a4454d32a1&utm_campaign=Referral_Invite&utm_medium=Referral_Program&utm_source=badge">
           <img src="https://opensource.nyc3.cdn.digitaloceanspaces.com/attribution/assets/SVG/DO_Logo_horizontal_white.svg" width="201px">
         </a>
       </p>