Update README formatting and binary origin docs

Author: raub

README.md

@@ -4,7 +4,7 @@ This is a part of [Node3D](https://github.com/node-3d) project.
 
 [![NPM](https://badge.fury.io/js/@node-3d%2Fqml-colorhelpers.svg)](https://badge.fury.io/js/@node-3d/qml-colorhelpers)
 
-```console
+```bash
 npm install @node-3d/qml-colorhelpers
 ```