Partners: OSN logo

Include Logo OSN (Open Storage Network): https://www.openstoragenetwork.org/

_layouts/partners.html

@@ -53,6 +53,10 @@
                         <img src="{% link assets/img/third-party-logos/egi-logo.svg %}" alt="EGI Logo">
                     </a>
 
+                    <a href="https://www.openstoragenetwork.org/" class="btn btn-light btn-lg btn-logo">
+                        <img src="{% link assets/img/third-party-logos/cropped-osn-logo.png %}" alt="OSN Logo">
+                    </a>
+
                     <a href="https://www.dfn.de/" class="btn btn-light btn-lg btn-logo">
                         <img src="{% link assets/img/third-party-logos/dfn-logo.svg %}" alt="DFN Logo">
                     </a>