Start time for live events

[monkey-with-a-flower]

Stremio Version
Any
Is your feature request related to a problem? Please describe.
I am building an add on for live events

Describe the solution you'd like
Live event object to contain optional arguments for start and end time so start time /live / event ended overlay can be shown on top of poster for the event.
Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Additional context
Add any other context or screenshots about the feature request here.