Updated Premium sponsors

Author: squidfunk

.github/assets/sponsors/sponsor-3dr.png

@@ -161,6 +161,9 @@
   <a href="https://transformationflow.io/" target=_blank><img
     src="https://raw.githubusercontent.com/squidfunk/mkdocs-material/master/.github/assets/sponsors/sponsor-transformationflow.png" height="58"
   /></a>
+  <a href="https://3dr.com/" target=_blank><img
+    src="https://raw.githubusercontent.com/squidfunk/mkdocs-material/master/.github/assets/sponsors/sponsor-3dr.png" height="58"
+  /></a>
 </p>
 <p>&nbsp;</p>
 

README.md

@@ -201,6 +201,7 @@ You can cancel your sponsorship anytime.[^5]
 [![Oikolab]](https://oikolab.com/){ target=_blank title="Oikolab" }
 [![Bühler Group]](https://www.buhlergroup.com/){ target=_blank title="Bühler Group" }
 [![Transformation Flow]](https://transformationflow.io/){ target=_blank title="Transformation Flow" }
+[![3DR]](https://3dr.com/){ target=_blank title="3DR" }
 
 </div>
 
@@ -238,6 +239,7 @@ You can cancel your sponsorship anytime.[^5]
   [Oikolab]: https://raw.githubusercontent.com/squidfunk/mkdocs-material/master/.github/assets/sponsors/sponsor-oikolab.png
   [Bühler Group]: https://raw.githubusercontent.com/squidfunk/mkdocs-material/master/.github/assets/sponsors/sponsor-buhler.png
   [Transformation Flow]: https://raw.githubusercontent.com/squidfunk/mkdocs-material/master/.github/assets/sponsors/sponsor-transformationflow.png
+  [3DR]: https://raw.githubusercontent.com/squidfunk/mkdocs-material/master/.github/assets/sponsors/sponsor-3dr.png
 
 <hr />