Update README.md

Author: benjamin-dcs

README.md

@@ -6,4 +6,8 @@ Based on the Home Assistant Core Integrations [`File`](https://www.home-assistan
 - Use the `sensor` service to read multi-line content from a local file. The content is available in the `content` attribute of the sensor.
 
 **Removed:**
+- State of the `sensor` no longer holds the content of the file. Shows 'Ok' (for now :) ).
 - No header is written to empty/new files
+
+# Support
+<a href="https://www.buymeacoffee.com/benjamindcs" 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>