Sponsorships: add Cypher Stack

_i18n/en.yml

@@ -180,6 +180,7 @@ sponsorships:
   symas: Symas sponsors its CTO Howard Chu (hyc) for his work on the Monero codebase.
   macstadium: MacStadium sponsors a dedicated Mac Mini that is used for Mac-related development.
   cakewallet: Cake Wallet sponsors the "tools" server with the mailing list, GitLab, Matrix, Taiga, and Weblate.
+  cypherstack: Cypher Stack sponsors devops personnel to work on and maintain Monero infrastructure.
   pastsponsors: Past sponsors
 
 team:

community/sponsorships/index.md

@@ -67,6 +67,16 @@ meta_descr: meta_descr.sponsorships
                     </div>
                 </div>
             </div>
+            <div class="right half no-pad-sm col-lg-6 col-md-6 col-sm-12 col-xs-12">
+                <div class="info-block">
+                    <div class="row center-xs">
+                        <div class="col">
+                            <a class="ext-noicon" href="https://cypherstack.com/" target="_blank" rel="noreferrer"><img src="/img/sponsors/cypherstack.png" alt="Cypher Stack logo"></a>
+                            <p>{% t sponsorships.cypherstack %}</p>
+                        </div>
+                    </div>
+                </div>
+            </div>
         </div>
     </section>
     <section class="container">