* Add platform param
Add platform to distinguish accounts from different apps
The value could be 'tuya' or 'smart_life'. Default is 'tuya'.
related pull request is home-assistant/home-assistant#16058
* Minor fixes
* Added note that username may be phone number
Added a note that the username may be a phone number and a link to countrycode.org to remove ambiguity and help users find their country code.
* Update syntax
* Remove colon