Adding walkthrough process in docs

[shelcia]

[Yash-Var]

@shelcia i want to work on the issue could explain what things i have to added in that

[shelcia]

Within docs folder, add the step like image, videos or scribd to help users navigate the app

[Nityamalviya28]

@shelcia I want to work on this issue plz assign me this project .

[praptisharma28]

Assign me @shelcia under iwoc