Update README.md

Author: aure

README.md

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 # SoundpipeAudioKit
 
+[![Build Status](https://github.com/AudioKit/SoundpipeAudioKit/workflows/CI/badge.svg)](https://github.com/AudioKit/SoundpipeAudioKit/actions?query=workflow%3ACI)
+[![License](https://img.shields.io/github/license/AudioKit/SoundpipeAudioKit)](https://github.com/AudioKit/SoundpipeAudioKit/blob/main/LICENSE)
+[![Platform](https://img.shields.io/cocoapods/p/AudioKit)](https://github.com/AudioKit/AudioKit/wiki)
+[![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)
+
 This extension to AudioKit has the majority of old versions of AudioKit's DSP including oscillators, physical models, filters, reverbs and more.
 
 ## Documentation