Add to readme

Tinche · Tinche · commit 61c944584b3a · 2021-01-23T01:27:37.000+01:00
diff --git a/HISTORY.rst b/HISTORY.rst
@@ -6,6 +6,7 @@ History
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 * ``converter.unstructure`` now supports an optional parameter, `unstructure_as`, which can be used to unstructure something as a different type. Useful for unions.
 * Improve support for union un/structuring hooks. Flesh out docs for advanced union handling.
+  (`#115 <https://github.com/Tinche/cattrs/pull/115>`_)
 
 1.1.2 (2020-11-29)
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