v3.1.0 (updated) - feature: added 4 cpu load monitoring methods for _TASK_TIMECRITICAL compilation option

examples/Scheduler_example24_CPU_LOAD/Scheduler_example24_CPU_LOAD.ino

@@ -8,7 +8,7 @@
    Compare the results.
 */
 
-//#define _TASK_SLEEP_ON_IDLE_RUN
+#define _TASK_SLEEP_ON_IDLE_RUN
 #define _TASK_TIMECRITICAL
 #include <TaskScheduler.h>