added WatchFace example

Author: codeanticode

examples/Demos/QA/WatchFace/WatchFace.pde

@@ -0,0 +1,28 @@
+float angle = 0;
+
+void setup() {
+  fullScreen(P2D);
+  frameRate(15);
+}
+
+void draw() {
+  translate(0, +insetBottom/2);
+
+  if (ambientMode) {
+    background(0);
+    stroke(255);
+    noFill();
+  } else {
+    background(157);
+    stroke(0);
+    fill(255);
+  }
+
+  line(0, 0, width, height);
+  line(width, 0, 0, height);
+
+  translate(width/2, height/2);
+  rotate(angle);
+  rect(-50, -50, 100, 100);
+  angle += 0.01;
+}