HDX/AV: Heuristic option in A* Algorithm Panel

[HL5195]

Current Structure:

Start Vertex
End Vertex

‎ v
‎ ‎ ‎ Stop When End Vertex Reached
‎ ‎ ‎ Find All Vertical Reachable from Start

Addition:

Start Vertex
End Vertex

‎ v Heuristics
‎ ‎ ‎ ‎Different Heuristic

‎ v
‎ ‎ ‎ Stop When End Vertex Reached
‎ ‎ ‎ Find All Vertical Reachable from Start