Update README.md

Author: jonnybergdahl

README.md

@@ -2,6 +2,7 @@
 
 # Elecrow GrowCube integration for Home Assistant
 This is an integration for using [Elecrow GrowCube](https://shrsl.com/4qit4) devices in Home Assistant.
+
 __Disclosure__: This is an affiliate link for [Hands on Katie](https://handsonkatie.com). If you make a purchase through this link, she may earn a small commission at no additional cost to you.
 
 > Please note that a Growcube device can only be connected to one client at a time. That means you