adding touch button examples

docs/examples.md

@@ -4,5 +4,12 @@ Here are some fun programs for your @boardname@!
 
 ## Fun stuff
 
-
-Coming soon.
+```codecard
+[
+{
+  "name": "Happy unhappy",
+  "description": "Keep your brick entertained and happy",
+  "url":"/examples/happy-unhappy",
+  "cardType": "example"
+}]
+```

docs/examples/happy-unhappy.md

@@ -0,0 +1,19 @@
+# Happy unhappy
+
+Use a touch sensor to make the brick happy.
+
+```blocks
+sensors.touchSensor1.onEvent(TouchSensorEvent.Pressed, function () {
+    brick.showImage(images.expressionsBigSmile)
+})
+sensors.touchSensor1.onEvent(TouchSensorEvent.Released, function () {
+    brick.showImage(images.expressionsSick)
+})
+loops.forever(function () {
+    if (sensors.touchSensor1.isTouched()) {
+        brick.setStatusLight(LightsPattern.Green)
+    } else {
+        brick.setStatusLight(LightsPattern.Orange)
+    }
+})
+```