📝 Add installation instructions for Home Assistant 0.88.2 and lower

README.md

@@ -4,6 +4,8 @@ Climate Home Assistant component for Heatzy Pilot
 
 ## Installation
 
+### Installation for Home Assistant 0.89.0 and greater
+
 To register the heatzy component to Home Assistant, copy the `heatzy` folder from this repository to your Home Assistant `custom_components` folder.
 The following commands assume that your Home Assistant folder is located in `~/.homeassistant/custom_components`:
 
@@ -20,17 +22,36 @@ cp -rl Devotics-heatzy-home-hassistant-*/heatzy .
 rm -rf Devotics-heatzy-home-hassistant-*
 ```
 
+### Installation for Home Assistant 0.88.2 and lower
+
+Version 2.0.0 of this component introduces breaking changes related to [The Great Migration ™](https://developers.home-assistant.io/blog/2019/02/19/the-great-migration.html). You can still install a compatible version on Home Assistant 0.88.2 and lower with the following instructions:
+
+```bash
+# Create custom_components folder
+mkdir -p ~/.homeassistant/custom_components
+# Move to the custom_components folder
+cd ~/.homeassistant/custom_components
+# Fetch this repo and extract it
+curl -L https://api.github.com/repos/Devotics/heatzy-home-hassistant/tarball/1.1.1 | tar -xz
+# Copy climate folder
+cp -rl Devotics-heatzy-home-hassistant-*/climate .
+# Clean up
+rm -rf Devotics-heatzy-home-hassistant-*
+```
+
 ## Usage
 
 Once installed, add the following lines to your `configuration.yaml`:
+
 ```yaml
 climate:
   - platform: heatzy
     username: <your heatzy email>
     password: <your heatzy password>
 ```
+
 This configuration will allow the component to query the Heatzy API to retrieve and control your devices status.
 
 ## License
 
-[MIT](https://oss.ninja/mit/devotics)
+[MIT](https://oss.ninja/mit/devotics)