Added SealVault to premium sponsors

Author: squidfunk

.github/assets/sponsors/sponsor-sealvault.png

@@ -134,6 +134,9 @@
   <a href="https://eccenca.com/" target=_blank><img
     src="https://raw.githubusercontent.com/squidfunk/mkdocs-material/master/.github/assets/sponsors/sponsor-eccenca.png" height="58"
   /></a>
+  <a href="https://sealvault.org/" target=_blank><img
+    src="https://raw.githubusercontent.com/squidfunk/mkdocs-material/master/.github/assets/sponsors/sponsor-sealvault.png" height="58"
+  /></a>
 </p>
 <p>&nbsp;</p>
 

README.md

@@ -182,6 +182,7 @@ You can cancel your sponsorship anytime.[^5]
 [![Sparkfun]](https://sparkfun.com/){ target=_blank title="Sparkfun Electronics" }
 [![Automation Technology]](https://automationtechnology.de/){ target=_blank title="Automation Technology" }
 [![Eccenca]](https://eccenca.com/){ target=_blank title="Eccenca" }
+[![SealVault]](https://sealvault.org/){ target=_blank title="SealVault" }
 
 </div>
 
@@ -209,6 +210,7 @@ You can cancel your sponsorship anytime.[^5]
   [Sparkfun]: https://raw.githubusercontent.com/squidfunk/mkdocs-material/master/.github/assets/sponsors/sponsor-sparkfun.png
   [Automation Technology]: https://raw.githubusercontent.com/squidfunk/mkdocs-material/master/.github/assets/sponsors/sponsor-automation-technology.png
   [Eccenca]: https://raw.githubusercontent.com/squidfunk/mkdocs-material/master/.github/assets/sponsors/sponsor-eccenca.png
+  [SealVault]: https://raw.githubusercontent.com/squidfunk/mkdocs-material/master/.github/assets/sponsors/sponsor-sealvault.png
 
 <hr />