Add sponsor

README.md

@@ -228,10 +228,16 @@ for details.
   for all the encouragement and feedback.
 - The font used in the logo and admin interface is [JetBrains Mono](https://www.jetbrains.com/lp/mono/).
 
+## Sponsors
+
+<a href="https://www.tines.com/?utm_source=oss&utm_medium=sponsorship&utm_campaign=hetty">
+<img src="https://hetty.xyz/assets/tines-sponsorship-badge.png" width="140" alt="Sponsored by Tines">
+</a>
+
 ## License
 
 [MIT License](LICENSE)
 
 ---
 
-© 2020 David Stotijn — [Twitter](https://twitter.com/dstotijn), [Email](mailto:dstotijn@gmail.com)
+© 2021 David Stotijn — [Twitter](https://twitter.com/dstotijn), [Email](mailto:dstotijn@gmail.com)

docs/src/guide/index.md

@@ -27,3 +27,7 @@ Hetty is in early development. Additional features are planned
 for a `v1.0` release. Please see the <a href="https://github.com/dstotijn/hetty/projects/1">backlog</a>
 for details.
 :::
+
+## Sponsors
+
+[![Sponsored by Tines](/assets/tines-sponsorship-badge.png =140x)](https://www.tines.com/?utm_source=oss&utm_medium=sponsorship&utm_campaign=hetty)