doc: Add base project README

Author: qdot

README.md

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+# Buttplug JS and WASM
+
+This repo includes 2 projects:
+
+- buttplug-js: A pure Typescript/Javascript implementation of a Buttplug Client. This can be used to
+  connect to Buttplug Servers like [Intiface Central](https://intiface.com/central) or the Buttplug WASM Server
+- buttplug-wasm: A WASM compilation of the Rust implementation of the Buttplug Server, with a
+  WebBluetooth device communication manager. This will allow connection to hardware in browsers that have WebBluetooth connectivity (Chromium/Blink based browsers like Chrome, Microsoft Edge, Brave, Opera, etc...)
+
+See the README in each of the project directories for more info on the projects.