Basic DSA implementations

[ayuagar23]

Go under Data Structure Algo and add good codes for different data structures

[ayuagar23]

@shubham9672 please accept this issue , so that we can create a rich collection of DSA codes

[Suyash-Batham]

Hey, I have a good knowledge of DSA. Could you please assign this task to me?

[laloba36]

Hey,can you assign it to me?