Did a bit of provider cleanup

src/dawn/time/ITimeManager.hpp

@@ -77,6 +77,16 @@ namespace Dawn {
     return context->getGame()->timeManager.timeoutProvider.addEffect(someCallback, timeout, context);
   }
 
+  /**
+   * Use interval provider method. Invokes your callback at a consistant and
+   * common time based on the interval you provide.
+   * 
+   * @tparam T Your context type (usually SceneItemComponent).
+   * @param someCallback Callback to be invoked.
+   * @param timeout Interval to invoke your callback.
+   * @param context Context of the component, just use (this).
+   * @return Method that when invoked will unsubscribe from the interval.
+   */
   template<class T>
   std::function<void()> useInterval(
     std::function<void()> callback,