Source Typing Error

[LAsoul88]

Describe the bug
A clear and concise description of what the bug is.
Following the instructions for the pitch detection section, I am supposed to create a voice like so:

const voice = new Wad({source: 'mic'});

TypeScript gives me an error saying that 'mic' is not a supported type.

Expected behavior
A clear and concise description of what you expected to happen.
The source property should accept 'mic' as a value to grab audio from one of the device's accessible microphones.

To Reproduce
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const voice = new Wad({source: 'mic'});

Screenshots
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Device (please complete the following information):

• Model: 2021 M1 Macbook Pro
• OS: Sonoma 14.4.1
• Browser: Firefox Developer Edition

Additional context
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