chore: add library manager workshop to main repo

[jdwilkin4]

We need to take the following prototype here and break it down into steps and tests and at it to the main repo.

https://github.com/freeCodeCamp/CurriculumExpansion/pull/506/files

[jdwilkin4]

@Ksound22 I have assigned this to you and updated the priority issue since I believe you are starting to work on this.
If that is not the case, then you can unassign yourself and one of the labs team members will pick it up

[Ksound22]

You're correct 💯

[Ksound22]

You're correct 💯

[jdwilkin4]

@Ksound22

Don't forget to link this issue with your open PR so it will be closed automatically when merged in

[Ksound22]

@jdwilkin4 The number is referencing a different PR from way back. I think it's because the repos are different.

[jdwilkin4]

I updated your PR to link this issue to it.

When you are linking an issue from another repo, you need to copy the entire url like this

Closes https://github.com/freeCodeCamp/CurriculumExpansion/issues/620

If you are linking to an issue within the same repo, then you can do closes #620 👍