Setting up a subproblem placer class to be implemented that will make code cleaner

guided_mrmp/conflict_resolvers/subproblems/subproblem_placer.py

@@ -7,7 +7,8 @@ import numpy as np
 
 from guided_mrmp.conflict_resolvers.subproblems.heuristic_placer import HeuristicPlacer
 
-
+class SubproblemPlacer:
+    pass
 
 class DiscreteConflictResolver:
     def __init__(self, grid, conflict, all_robots, all_conflicts):