Validate PackageName

[abelsiqueira]

Uses regex to make sure that the package name starts with a capital letter and contains only letters and numbers.

Closes #373

Related issues

Checklist

• [x] I am following the contributing guidelines
• [x] Tests are passing
• [x] Lint workflow is passing
• [x] Docs were updated and workflow is passing
• [x] CHANGELOG.md was updated

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 100.00%. Comparing base (20aaa32) to head (3e2e9d0). Report is 1 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #377 +/- ## ========================================= Coverage 100.00% 100.00% ========================================= Files 2 2 Lines 79 79 ========================================= Hits 79 79 ```

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[abelsiqueira]

@jhidding, would you like to review this?

[abelsiqueira]

Thanks for review!

@allcontributors please add @jhidding for review

[abelsiqueira]

@allcontributors please add @jhidding for review

[allcontributors[bot]]

@abelsiqueira

I've put up a pull request to add @Thanks! :tada:

I've put up a pull request to add @jhidding! :tada:

[allcontributors[bot]]

@abelsiqueira

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