chore: update sponsors

Author: kamilmysliwiec

img/logos/bloodycase-logo.png

@@ -656,6 +656,9 @@ <h5>Gold sponsors</h5>
         </div>
         <div class="support-section support-section--silver">
           <h5>Silver sponsors</h5>
+          <a href="thttps://www.mercedes-benz.com/" target="_blank" rel="nofollow">
+            <img src="img/logos/mercedes-logo.png" class="silver-logo m-l-10 m-r-10" />
+          </a>
           <a href="https://n.inc/" target="_blank" rel="nofollow">
             <img src="img/logos/n-inc-logo.svg" class="silver-logo m-l-10 m-r-10" />
           </a>
@@ -671,8 +674,8 @@ <h5>Silver sponsors</h5>
           <a href="https://www.dinii.jp/" target="_blank" rel="nofollow">
             <img src="img/logos/dinii-logo.png" class="silver-logo m-l-10 m-r-10" />
           </a>
-          <a href="thttps://www.mercedes-benz.com/" target="_blank" rel="nofollow">
-            <img src="img/logos/mercedes-logo.png" class="silver-logo m-l-10 m-r-10" />
+          <a href="https://bloodycase.com/?promocode=NEST" target="_blank" rel="nofollow">
+            <img src="img/logos/bloodycase-logo.png" class="silver-logo m-l-10 m-r-10" />
           </a>
         </div>
         <div class="support-section sponsor-tiles support-section--bronze">