Fix the feed location for my site

I moved domains to `https://offby1.website/` some time ago; this is the
update (ideas.offby1.net is a CNAME to it, but I don't think it's
picking up the RSS/atom feeds)

Author: offbyone

config/config.ini

@@ -303,7 +303,7 @@ name = Chris Mitchell
 [http://pbpython.com/feeds/all.atom.xml]
 name = Chris Moffitt
 
-[http://ideas.offby1.net/feeds/tag-python.atom.xml]
+[http://offby1.website/feeds/tag-python.atom.xml]
 name = Chris Rose
 
 [http://feeds.feedburner.com/ChrisWarrickPython]