Add JavaScript WebGL example

+ Update READMEs

javascript/webgl/README.md

@@ -0,0 +1,9 @@
+# Javascript
+
+This directory contains examples of using WebGL within JavaScript.
+
+```
+github.com/shaunrd0/klips/javascript/webgl
+├── 01_simple-shape      # Drawing a simple solid color triangle with WebGL
+└── README.md
+```