Feature/refactor driver code

[audiohacked]

Proposed changes

Break out driver.c into protocol drivers.

Types of changes

What types of changes does your code introduce to OpenCorsairLink? Put an x in the boxes that apply

• [ ] Bugfix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [X] Refactor of Code (may or may not break functionality)

Checklist

Put an x in the boxes that apply. You can also fill these out after creating the PR. If you're unsure about any of them, don't hesitate to ask. We're here to help! This is simply a reminder of what we are going to look for before merging your code.

• [X] I have read the CONTRIBUTING doc
• [X] Make sure you are requesting to pull a topic/feature/bugfix branch (right side). Don't request your master!
• [X] Make sure you are making a pull request against the testing branch (left side). Also you should start your branch off our testing.
• [ ] Lint and unit tests pass locally with my changes
• [ ] I have added tests that prove my fix is effective or that my feature works
• [ ] I have added necessary documentation (if appropriate)
• [X] Any dependent changes have been merged and published in downstream modules
• [X] Check the commit's or even all commits' message styles matches our requested structure.

Further comments

N/A

Thanks for contributing!