Add CCExtractor as Silver Sponsor

[OrkoHunter]

Thank you @canihavesomecoffee for sponsoring the PEP 8 Speaks! I have added the details of @CCExtractor as you requested.

[auto-comment]

💖 Thank you so much for creating the pull request! 💖

Have a look at the test workflow. The branch of this pull request is going to be deployed on Heroku with payload URL https://pep8speaks-pr-xxx.herokuapp.com . The repository https://github.com/OrkoHunter/test-pep8speaks is configured to test review deployments like this.

@OrkoHunter Create a review app for this PR on Heroku and update the Webhook URL of the test-pep8speaks app. Finally restart Travis to test this PR.
Remember to redeploy the production app and revert the Webhook URL when the Pull Request is merged.

[canihavesomecoffee]

👍