Add Alexa Guide to HACS Readme

info.md

@@ -101,6 +101,8 @@ Edit it by adding the following lines:
 
 ### Known Supported Voice Commands
 
+**Google Home verified commands**
+
 * Turn on `SAMSUNG-TV-NAME-HERE` (for some older TVs this only works if the TV is connected by LAN cable to the Network)
 * Turn off `SAMSUNG-TV-NAME-HERE`
 * Volume up on `SAMSUNG-TV-NAME-HERE` (increases volume by 1)
@@ -111,6 +113,10 @@ Edit it by adding the following lines:
 
 (if you find more supported voice commands, please create an issue so I can add them here)
 
+**Alexa support**
+
+Read our [Alexa Guide](https://github.com/jaruba/ha-samsungtv-tizen/blob/master/Alexa_guide.md)
+
 ### Cast to TV
 
 `service: media_player.play_media`