Updated README

README.md

@@ -68,3 +68,5 @@ wget https://github.com/PiotrMachowski/Home-Assistant-custom-components-Antistor
 * **How to get value for `station_id`?**
 
   To find out `station_id` use widget code generator available at page [*Antistorm.eu*](https://antistorm.eu/deweloperzy.php).
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+<a href="https://www.buymeacoffee.com/PiotrMachowski" target="_blank"><img src="https://bmc-cdn.nyc3.digitaloceanspaces.com/BMC-button-images/custom_images/orange_img.png" alt="Buy Me A Coffee" style="height: auto !important;width: auto !important;" ></a>