update readme

README.md

@@ -2,6 +2,8 @@
 
 Enforce a default dashboard on every device in Home Assistant!
 
+  ![Default Dashboard Entity](/docs/imgs/default_dashboard_entity.png)
+
 [![GitHub Release][releases-shield]][releases]
 [![License][license-shield]](LICENSE.md)
 [![hacs_badge](https://img.shields.io/badge/HACS-Custom-blue.svg)](https://github.com/custom-components/hacs)
@@ -19,14 +21,19 @@ Hey you! Help me out for a couple of :beers: or a :coffee:!
 
 ##  Features
 
-* Select a dashboard that will become the default for all users/devices
+* Select a dashboard that will become the default for all web users/devices (does not include mobile apps at this time)
 * Update selected dashboard at any time
 
 ---
 
 ## Installation
 
-Add through  [HACS](https://github.com/custom-components/hacs)
+1. Add through  [HACS](https://github.com/custom-components/hacs)
+2. Create a dropdown helper called `Default Dashboard`. The entity id must be `input_select.default_dashboard`. Give it the option of "refresh", and select this option.
+3. Reload the homepage. This will update the `Default Dashboard` helper to have all possible dashboards an options, with the option "enabled" selected.
+4. Choose an option for the `Default Dashboard` helper.
+5. Reload the home URL on mobile, and watch it set the default dashboard away from Overview
+
 
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