pass scheduler to app

src/Sprocket.cpp

@@ -0,0 +1,24 @@
+#include "Sprocket.h"
+
+Sprocket::Sprocket(){
+    Serial.println("init sprocket");
+}
+
+Sprocket* Sprocket::use(AppStack* stk){
+    stack = stk;
+    return this;
+}
+
+Sprocket* Sprocket::addTask(Task& tsk){
+    scheduler.addTask(tsk);
+    tsk.enable();
+}
+
+Sprocket* Sprocket::registerApp(App& app){
+    app.activate(&scheduler);
+}
+
+void Sprocket::loop(){
+    scheduler.execute();
+    //stack->loop();
+}