Merge pull request #3 from rishi-a/readme-edit

corrected command to install ens160 on device

Author: jposada202020

README.rst

@@ -84,7 +84,7 @@ following command to install:
 
 .. code-block:: shell
 
-    circup install ens160
+    circup install adafruit_ens160
 
 Or the following command to update an existing version: