Add Splay Tree

[xennygrimmato]

[ansh-ptel]

I was trying to add Splay Tree algorithm to your Master branch. But it gave me an error that I don't have any permission to push any file to Your master branch.

[xennygrimmato]

@ansh-ptel You need to clone the repo, make changes there and create a PR against this repo. I'll add those instructions to CONTRIBUTING.md.

[xennygrimmato]

@ansh-ptel You can check this out for details - https://github.com/xennygrimmato/Data-Structures-and-Algorithms/blob/master/CONTRIBUTING.md

[ansh-ptel]

I cloned the Repo and created a Directory called Splay and inside that directory i added the Code for Splay tree but I can't able to Push it in master branch.

[ansh-ptel]

`ERROR: Permission to xennygrimmato/Data-Structures-and-Algorithms.git denied to ansh-ptel. fatal: Could not read from remote repository.

Please make sure you have the correct access rights and the repository exists.`

[xennygrimmato]

You need to clone the repo and create a PR from a branch on that repo against the master branch of this repo.