Make .env.example for better understanding

[theavitw]

1. For setting up a project - update readme and add .env file also add API guide.
2. Add .env.example for ease of running project.

[theavitw]

@ayush-that is this ok?
If yes then please make it #good-first-issue

[ayush-that]

You may write the README. But it should look pretty. Please feel free to contact me on X if you need any help.
I will add the env template.

[theavitw]

@ayush-that please don't assign me I can not do as I am fulltime dev...
If you wish I can do code reviews as this project looks good.
Let other takes this opportunity.

[beelapranay]

hi @ayush-that could you assign this issue to me?