Ignore Coverage reports
Ignore Coverage reports

Coverage stores reports in `.coverage` file.  It can generate HTML
webpage with specific source lines missing from tests, too.
We should not add these two coverage sources to the repository.

swcarpentry/amy,swcarpentry/amy,wking/swc-amy,wking/swc-amy,pbanaszkiewicz/amy,wking/swc-amy,vahtras/amy,swcarpentry/amy,pbanaszkiewicz/amy,shapiromatron/amy,vahtras/amy,vahtras/amy,pbanaszkiewicz/amy,wking/swc-amy,shapiromatron/amy,shapiromatron/amy