Sound component extension

[Brabudu]

Hi!
I created an extension of the sound component that allows you to vary the playback rate.

GitHub - Brabudu/SoundExtension: An extension for MIT AppInventor who provides...

[NishyanthKumar]

Please see the following:

##PLEASE READ FIRST## Posting a new extension to the community

Submission of new extensions The community has adopted a new approach to the posting of extensions on the community, and all new extensions are now put through an evaluation process. We do recognise that you have put a lot of time and effort into creating your extension. We want you to be able to present your extension in the best condition possible, as bug free as possible, with the best documentation, and the Power Users may provide you with several recommendations of how to improve your ex…