Add HA sensor value example to Readme.

Author: RoboMagus

README.md

@@ -26,6 +26,9 @@ text_sensor:
     dirty: "-dirty"
 ```
 
+Which for a clean config on the `dev` branch of a repo would yield in a sensor value as shown in the HomeAssistant example below:
+![HA_sensor_example](./docs/ha_sensor_example.PNG)
+
 ### Configuration Options
 
 Most options available to this sensor are flags for the [`git describe` command](https://git-scm.com/docs/git-describe).
@@ -52,4 +55,3 @@ This includes the following:
 
 If there are uncommitted changes to any of these files, the provided `dirty` suffix will be added to the `git describe` output.
 
-