Add donation link

README.md

@@ -15,6 +15,11 @@ This file is auto-generated by a github hook, modify docs/README.template.md ins
 
 Whilst RogerThat's purpose is to bridge **TradingView** and **Hummingbot**, it can work as a gateway / bridge between any service that sends data via Webhooks (to a public URL) and serve / route them to *multiple* **Hummingbot** instances or connected MQTT clients.
 
+<a href="https://www.buymeacoffee.com/TheHoliestRoger" target="_blank"><img src="https://cdn.buymeacoffee.com/buttons/v2/default-yellow.png" alt="Buy Me an Aubergine" style="height: 60px !important;width: 217px !important;"></a><details>
+  <summary>BTC address</summary>
+bc1qpq4djuxgxsk0zrkg9y2rye8fyz7e0mjx64gzq0
+</details>
+
 ##### Menu
 
 - [Docker](#docker)