Add sponsors section to README

Added a sponsors section to acknowledge diamond sponsors.

Author: drowaudio

README.md

@@ -18,7 +18,7 @@ If you are a plugin user looking to report a problem with a plugin to the develo
 ### Funding
 pluginval is a free, open source project but supporting it via funding is a great way to show your appreciation for it, speed up development and influence the [roadmap](ROADMAP.md).
 
-See [FUNDING.md](FUNDING.md) for more details.
+See [FUNDING.md](FUNDING.md) for more details and the bottom of this file for a list of our diamond sponsors.
 
 ### Installation
 
@@ -116,6 +116,18 @@ If you have a case you would like tests, please simply write the test in a fork
 ## Roadmap
 Find more information on what's in the pipeline for pluginval [here](ROADMAP.md).
 
+## Sponsors
+Thanks to all those who sponsor pluginval's development and a special thanks to those at the diamond level:
+
+[💎 The Audio Programmer](https://theaudioprogrammer.com/?utm_source=pluginval)
+
+<a href="https://theaudioprogrammer.com/?utm_source=pluginval"><img width="75" height="75" alt="image" src="https://github.com/user-attachments/assets/7a6e2e8e-d4c7-461c-98db-d8c1df67be1b" />
+</a>
+
+[💎 Moonbase](https://moonbase.sh/?utm_source=pluginval)
+
+<a href="https://moonbase.sh/?utm_source=pluginval"><img width="517" height="75" alt="MB-banner" src="https://github.com/user-attachments/assets/80f5d6bf-2606-416d-8bb6-f02c66626377"/></a>
+
 
 License
 ----