* Added SmartThings component and switch platform
* Corrected comment typos.
* Embedded switch platform.
* Replaced custom view usage with webhook component.
* Replaced urls with tokens in strings.
* Fixed line length.
* Use generated webhook id instead of static one.
* Reuse core constant instead of defining again.
* Optimizations in anticipation of future platforms.
* Use async_generate_path instead of hard-coded path.
* Fixed line length.
* Updates per review feedback.
* Updates per latest review feedback.