doc-front-page: add a title to the part about the extension
We'll rework this section more in depth, but I would like it to have a title
first to have it show up in the table of content.
--- a/docs/index.rst Tue Aug 29 17:25:01 2017 +0200
+++ b/docs/index.rst Wed Aug 30 00:35:44 2017 +0200
@@ -49,6 +49,8 @@
concepts
from-mq
+Why the ``evolve`` extension
+----------------------------
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