add more details to setup.cfg

Author: javaes

setup.cfg

@@ -2,13 +2,15 @@
 name = alembic_viz
 author = Jan van Esdonk
 author-email = [email protected]
+home-page = https://github.com/javaes/alembic-viz
+license = Apache-2
 summary = Graph Visualization of Alembic Migrations
+description-file = README.md
 classifier =
     Environment :: Console
     Intended Audience :: Developers
     Operating System :: POSIX :: Linux
     Programming Language :: Python
-    Topic :: Software Development Libraries
 
 [files]
 packages = alembic_viz