Add cyclic scheduling and improve resource

• Added cyclical scheduling given a scheduling_time.
• Updated examples to showcase this.
• Added a check to warn the user if the given resources are lower than the theoretical bound.
• Added various checks in the code to warn the user.
• Changed ListScheduler in various places for readability and bug-fixes.
• Fixed bug from #305 (closed)

Closes: #305 (closed) #292 (closed)

b_asic/scheduler.py

@@ -143,12 +143,6 @@ class ALAPScheduler(Scheduler):
             Schedule to apply the scheduling algorithm on.
         """
         ASAPScheduler().apply_scheduling(schedule)
-        # max_end_time = schedule.get_max_end_time()
-
-        # if schedule.schedule_time is None:
-        #     schedule.set_schedule_time(max_end_time)
-        # elif schedule.schedule_time < max_end_time:
-        #     raise ValueError(f"Too short schedule time. Minimum is {max_end_time}.")
 
         # move all outputs ALAP before operations
         for output in schedule.sfg.find_by_type_name(Output.type_name()):