Added software folder, soudn and MIDI library and arduino example code

Software/Example code/Minimal/Minimal.ino

@@ -0,0 +1,19 @@
+
+// This needs to be in all sketches at the moment
+#include <stdint.h>
+
+// The Music and Midi objects are automatically instantiated when the header file is included.
+// Make calls to the Music and Midi objects with "Music.function(args)" and "Midi.function(args)"
+// You still need to call Music.init() and Midi.init() in the setup() function below.
+#include <Music.h>
+
+void setup() {
+  // We initialise the sound engine by calling Music.init() which outputs a tone
+  Music.init();
+
+}
+
+void loop() {
+
+}
+