Added example

examples/mario.js

@@ -0,0 +1,40 @@
+/*
+ *
+ * This demonstrates connecting to LEGO Super Mario.
+ *
+ */
+
+const PoweredUP = require("..");
+
+const poweredUP = new PoweredUP.PoweredUP();
+poweredUP.scan(); // Start scanning for hubs
+
+console.log("Looking for Mario...");
+
+poweredUP.on("discover", async (hub) => { // Wait to discover hubs
+
+    if (hub instanceof PoweredUP.Mario) {
+        const mario = hub;
+        await mario.connect(); // Connect to Mario
+        console.log(`Connected to Mario!`);
+
+        const pants = await mario.waitForDeviceByType(PoweredUP.Consts.DeviceType.MARIO_PANTS_SENSOR);
+        pants.on("pants", ({ pants }) => {
+            console.log("Pants detected", pants);
+        });
+
+        const barcodeSensor = await mario.waitForDeviceByType(PoweredUP.Consts.DeviceType.MARIO_BARCODE_SENSOR);
+        barcodeSensor.on("barcode", ({ barcode, color }) => {
+            if (color) {
+                console.log("Color detected", color);
+            } else if (barcode) {
+                console.log("Barcode detected", barcode);
+            }
+        });
+
+        mario.on("disconnect", () => {
+           console.log("Mario disconnected");
+        });
+    }
+
+});