Supported opset doc?

[AlexandreEichenberger]

Would it make sense to have a table of currently supported ops in our doc?

[tungld]

+1 for the list of supported ops. I would prefer to have the doc updated automatically. We often forget to update docs :). One way is to enumerate supported ops in the backend test.

[AlexandreEichenberger]

I was thinking about this too, though I think there are ops that have no backend test (maybe only the ML one... let me investigate)