Yes! Good idea @death.au . +1 
I was just thinking of writing a script to convert CSV files to markdown tables, but a plugin would be even better.
And @goodsignal’s idea with the metadata would be awesome!
I would love to see this added as a plug-in but I’m still toying with the idea of building something. Maybe the CSV file could be rendered in an iframe. I’d rather not rely on another service, but something like this might work: