* refactor: basic example from class component to functional component
* refactor: toast component path
* refactor: bufferConfig prop
* refacotr: import component path
* fix: seekbar issue on iOS
* refactor: state variable
* chore: refactor overlay component according to new state structure
* fix: fix crash when invalid index type is provided and minor clean up
* fix: review video track management. Fix index support and rework string vs int in tracks management
* fix: ABR track selection check
* fix: split track selector in sample and lint code
* fix: ensure we don't report null fields
* chore: improve tracks displayed
* chore: start moving to selection by index only