feature: Add headerKey config for custom header config

[gaetansenn]

Proposed changes

The idea is to add a custom headerKey to allow changing default header key used to get the token from basic, jwt, api scheme

Types of changes

What types of changes does your code introduce?

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)

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.

• I have read the CONTRIBUTING doc
• 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)

Commit for the documentation: https://github.com/cmty/docs/commit/347f2bd0411a37e37fbd6dbf2bcbd943c96411aa

[coveralls]

Coverage increased (+0.02%) to 88.98% when pulling 48f0552 on cmty:develop into 404a7ba on adonisjs:develop.

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.