Updated README

Author: aure

README.md

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 # Soul AudioKit
 
 [![Build Status](https://github.com/AudioKit/SoulAudioKit/workflows/CI/badge.svg)](https://github.com/AudioKit/SoulAudioKit/actions?query=workflow%3ACI)
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 [![Reviewed by Hound](https://img.shields.io/badge/Reviewed_by-Hound-8E64B0.svg)](https://houndci.com)
 [![Twitter Follow](https://img.shields.io/twitter/follow/AudioKitPro.svg?style=social)](https://twitter.com/AudioKitPro)
 
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 A basis for creating AudioKit nodes with the [SOUL Sound Language](https://soul.dev).
 
 * [Diode Clipper](https://github.com/AudioKit/SoulAudioKit/wiki) - Clips a signal to a predefined limit, in a "soft" manner, using one of three methods.