Add / Extend Pip install command to automatically update the requirements.txt file

[gagandeepp]

What's the problem this feature will solve?

Whenever we install a new package , we need to manually update the requirements.txt file of our project.

Describe the solution you'd like

We can have command similar to below

pip install <package_name> --save

Alternative Solutions

Tried but not able to find any solution

Additional context

This is similar to NPM commands we have in NodeJS world

Code of Conduct

• I agree to follow the PSF Code of Conduct.

[pfmoore]

Duplicate of #1479. I'll close this one as a duplicate - further discussion should happen on that issue.