Add New DSA Resources

[avinash201199]

How to Contribute:

1. Comment below with the resource you’d like to add (website, repo, platform, etc.).
2. We'll assign the issue to you.
3. Once assigned, submit a PR with your additions.

[2022bit002]

Hey @avinash201199 , I would like to add the Programming-Street-150 repo by Prince Singh which I have used to make my foundation strong for the DSA. So, please assign the issue to me. Thanks.

[avinash201199]

@2022bit002 Go ahead, please follow the instructions and add the resources to the respective folder README files.