Add a timer to turn off after a period of time. Move the LED name to reduce string literals.

src/TimerManager.cpp

@@ -0,0 +1,26 @@
+#include <map>
+#include "Timer.cpp"
+
+class TimerManager{
+	std::map<std::string, Timer*> _timers;
+
+	public:
+
+	void add(std::string name, void (*callback)(void)){
+		_timers[name] = new Timer(callback);
+	}
+
+	void reset(std::string name, unsigned long interval){
+		if (!_timers.count(name))
+			return;
+		_timers.find(name)->second->reset(interval);
+	}
+
+	void loop(){
+		for(auto iterator = _timers.begin(); iterator != _timers.end(); ++iterator)
+		{
+			auto timer = iterator->second;
+			timer->loop();
+		}
+	}
+};