ModulinoHub: add example

Author: facchinm

examples/Modulino_Hub/Basic/Basic.ino

@@ -0,0 +1,21 @@
+#include <Modulino.h>
+
+ModulinoHub hub;
+
+ModulinoPixels light1(hub.port(1));
+ModulinoPixels light2(hub.port(2));
+
+void setup() {
+  Modulino.begin();
+  light1.begin();
+  light2.begin();
+}
+
+void loop() {
+  light1.set(0, BLUE, 50);
+  light1.show();
+  delay(100);
+  light2.set(0, RED, 50);
+  light2.show();
+  delay(100);
+}