feat: prompt user to create a personal access token beforehand

[rishabhKalakoti]

Description

This is a WIP PR.

• The prompt is positioned to come before the repo needs to be created for a new user. (For existing users of teachcode, it is not needed)
• Open the GitHub help page for access token creation in the browser.
• Documentation

Fixes # 23

Type of change

• New feature

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

[welcome]

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Happy coding!

[jamesgeorge007]

It seems like you're missing out on the lock file changes. Rest LGTM 👍

[welcome]

Congrats on your very first contribution 👏 Looking forward to having more from your side