Fix project short description in `setup.cfg` [ci skip]

setup.cfg

@@ -8,7 +8,7 @@ version = attr: pyfastani.__version__
 author = Martin Larralde
 author_email = martin.larralde@embl.de
 url = https://github.com/althonos/pyFastANI
-description = Cython bindings and Python interface to FastANI.
+description = Cython bindings and Python interface to FastANI, a method for fast whole-genome similarity estimation.
 long_description = file: README.md
 long_description_content_type = text/markdown
 license = MIT