Add a Codacy badge to README.md

[codacy-badger]

No description provided.

[request-info]

Thank you for your submission, however, with the lack of information, we are unable to continue at this time.
We would appreciate it if you could provide us with more information about this submission so that we could provide better support to this issue/pr.
Therefore, please edit this issue accordingly by using our pre-provided template or close and create a new one and make sure to provide all the required information.
This submission will be automatically closed later if no information is provided.