Add faust-wap2-playground project.

mkdocs/docs/manual/architectures.md

@@ -2339,6 +2339,9 @@ This is a microservice that serves a single purpose: compiling Faust code that i
 #### [mosfez-faust](https://github.com/dxinteractive/mosfez-faust)
 Makes dynamic compilation of Faust on the web a little easier, and has a dev project to run values through dsp offline, and preview dsp live. It's an opinionated version of some parts of [Faust for webaudio](https://github.com/grame-cncm/faust/tree/master-dev/architecture/webaudio), mostly just the Web Assembly Faust compiler, wrapped up in a library with additional features. 
 
+#### [faust-wap2-playground](https://github.com/Nek/faust-wap2-playground)
+Playground and template for Faust-based web audio experiments.
+
 ### Dart tools 
 
 #### [flutter_faust_ffi](https://github.com/t2techno/flutter_faust_ffi)