add home-page and description to setup.cfg

setup.cfg

@@ -3,6 +3,9 @@ name = imapautofiler
 author = Doug Hellmann
 author-email = doug@doughellmann.com
 summary = Automatically file IMAP messages
+home-page = https://github.com/dhellmann/imapautofiler
+description-file =
+    README.rst
 classifier =
     Development Status :: 5 - Production/Stable
     Intended Audience :: Information Technology