Add Unit Tests for BumbleDocGen\Core\Cache Namespace

[seanmcn]

To ensure the effectiveness and correctness of the code within the BumbleDocGen\Core\Cache namespace, your contributions are invaluable. Here's the outlined process:

1. Write Tests:

   • Use PHPUnit to craft tests for all classes and methods in this namespace.
   • Make sure your tests are comprehensive and follow the existing testing conventions in the project.

2. Run Tests Locally:

   • Execute composer run-script test to run the tests on your local machine and ensure they pass.

3. Create Pull Request:

   • Once ready, create a pull request to the 1.x.x branch with your tests.
   • GitHub will automatically run your tests again when you create the pull request.

4. Need Help?

   • If you run into any issues or need further clarification, feel free to comment on the issue and a maintainer will provide assistance.