Add support section w/ GitHub Sponsors and Buy Me A Coffee.

README.md

@@ -2,6 +2,15 @@
 
 [Launch the app!](https://exogen.github.io/t2-model-skinner/)
 
+## Support
+
+Did this project bring you joy? Want to request a feature? Check out
+[my GitHub Sponsors page](https://github.com/sponsors/exogen).
+
+Alternatively…
+
+<a href="https://www.buymeacoffee.com/mosswood" target="_blank"><img src="https://cdn.buymeacoffee.com/buttons/v2/default-yellow.png" alt="Buy Me A Coffee" style="height: 60px !important;width: 217px !important;"></a>
+
 ## Development
 
 Clone the repository and run: