Add whatsnew entry, no idea if in right place or not...

znicholls · znicholls · commit 3c507e866546 · 2018-09-07T00:25:58.000+02:00
diff --git a/doc/source/whatsnew/v0.23.5.txt b/doc/source/whatsnew/v0.23.5.txt
@@ -30,6 +30,7 @@ Fixed Regressions
 Development
 ~~~~~~~~~~~
 - The minimum required pytest version has been increased to 3.6 (:issue:`22319`)
+- Added `Pint<https://github.com/hgrecco/pint>`_ to the `Pandas ecosystem documentation<https://pandas.pydata.org/pandas-docs/stable/ecosystem.html#ecosystem-extensions>`_
 
 .. _whatsnew_0235.bug_fixes:
 
