Optional: waveform visualisation flag in the widget

[siwalikm]

Love the widget. I feel it would be even nice if we can optionally show some visualisation.
Idea: have a flag in query params to show/hide a different view with the audio waveform.

Here's a rough mock of what I'm thinking -

If this sounds like a good idea to everyone I can take a jab at it. ✌️