move examples from public to their own examples folder

pyscriptjs/examples/mario/js/prop.js

@@ -0,0 +1,15 @@
+(function() {
+  if (typeof Mario === 'undefined')
+  window.Mario = {};
+
+  //props do even less than entities, so they don't need to inherit really
+  var Prop = Mario.Prop = function(pos, sprite) {
+    this.pos = pos;
+    this.sprite = sprite;
+  }
+
+  //but we will be using the same Render, more or less.
+  Prop.prototype.render = function(ctx, vX, vY) {
+    this.sprite.render(ctx, this.pos[0], this.pos[1], vX, vY);
+  }
+})();