Add archive sites

Currently points to existing jython.org this needs re-hosting somewhere else.

Author: jamesmudd

_data/navbar.yml

@@ -17,6 +17,8 @@ navbar:
         url: https://jython.readthedocs.io/en/latest/
       - title: Wiki
         url: https://wiki.python.org/jython/
+      - title: Archived Sites
+        url: archived_sites
   - title: Development
     subItems:
       - title: Bug tracker

archived_sites.md

@@ -0,0 +1,14 @@
+---
+title: Archived Sites
+---
+## Old Archived Jython Websites
+This is the place to access old versions of the Jython website.
+
+### [Jython 2.5 - 2.7](http://www.jython.org/)
+
+### [Jython 2.2.1](http://www.jython.org/archive/221/index.html)
+
+### [Jython 2.2](http://www.jython.org/archive/22/index.html)
+
+### [Jython 2.1](http://www.jython.org/archive/21/index.html)
+