Document addition of --ssl-certificate-chain-file option for mod_wsgi-express.

Author: GrahamDumpleton

docs/release-notes/version-4.4.23.rst

@@ -9,3 +9,12 @@ Version 4.4.23 of mod_wsgi can be obtained from:
 For details on the availability of Windows binaries see:
 
   https://github.com/GrahamDumpleton/mod_wsgi/tree/master/win32
+
+New Features
+------------
+
+1. Added the ``--ssl-certificate-chain-file`` option to
+``mod_wsgi-express``, for specifying the path to a file containing the
+certificates of Certification Authorities (CA) which form the certificate
+chain of the server certificate. This is equivalent to having used the
+Apache ``SSLCertificateChainFile`` directive.