fix: update readme

Author: sergey-tihon

README.md

@@ -1,5 +1,21 @@
 # streamdeck-homebridge
-Homebridge plugin for Elgato Stream Deck
+
+Elgato Stream Deck plugin that allow to control devices connected to Homebridge server.
+
+Plugin allows:
+- Turn on/off devices
+- Set state of different characteristics (for example brightness, hue, saturation, color temperature, etc.)
+
+## Installation
+
+Download the `com.sergeytihon.homebridge.streamDeckPlugin` file from the [releases page](https://github.com/sergey-tihon/streamdeck-homebridge/releases), and double-click it.
+
+## Compatibility
+
+- Tested with Homebridge 1.4.0
+- Support macOS 10.11 and higher
+- Support Windows 10 and higher
+- Support Elgato Stream Deck 4.1.0 and higher
 
 ## Credits