Addition of DFS to the path finding algorithm

[ayush0801]

[Devrishi-Dutta]

Please assign me this issue

[Devrishi-Dutta]

@ayush0801 The code given for the dfs algorithm is not working. I am saying this because when I am replacing the dfs code with astar or dijikstra then it functioning properly.
Also we cannot find shortest path using dfs as it will give a very high time complexity.

[Devrishi-Dutta]

I did all other changes required for the dfs algo , only using astar algo for the dfs path finder , can I make a pr?

[ayush0801]

Yeah, sure. Go ahead

[Devrishi-Dutta]

@ayush0801 can you please review my pr so that I can work on issue #2 without conflicts?