Create an Stack.md explaining Stack data-structure

[RuchikaSuryawanshi7]

• Explain the Stack Data structure
• how it works
• how to create
• try to add code snippets, pictures & gif's explaining the concept
• Time complexity, the Space complexity of each operation performed on the Stack
• Explain functions used in Stack

Note: add your readme.MD in Data structure/Stack/ your file

[Kriti-2308]

Kritika Dubey Cummins college of engineering SY-IT I would like to work on this issue please assign it to me

[shreya2663]

Please assign this to me

[sejal-phatangare]

Sejal phatangare Cummins College of Engineering, Pune Sy Comp Please assign me this issue