Add coffee badge

README.md

@@ -39,4 +39,10 @@ Partials are a powerful Mustache feature allow you to define a chunk of template
 
 ## Projects using Ministache
 
-- [floatplane/mitsubishi2MQTT](https://github.com/floatplane/mitsubishi2MQTT)
+- [floatplane/mitsubishi2MQTT](https://github.com/floatplane/mitsubishi2MQTT)
+
+## Support 
+
+I hope this is useful to you! If it is, then maybe you'd like to buy me a coffee?
+
+<a href="https://www.buymeacoffee.com/floatplane" target="_blank"><img src="https://cdn.buymeacoffee.com/buttons/v2/default-violet.png" alt="Buy Me A Coffee" style="height: 60px !important;width: 217px !important;" ></a>