Prepare changelo for next release

Author: gonzalocasas

CHANGELOG.rst

@@ -8,6 +8,21 @@ The format is based on `Keep a Changelog <https://keepachangelog.com/en/1.0.0/>`
 and this project adheres to `Semantic Versioning <https://semver.org/spec/v2.0.0.html>`_.
 
 
+Unreleased
+----------
+
+**Added**
+
+* ..
+
+**Changed**
+
+**Removed**
+
+**Fixed**
+
+**Deprecated**
+
 0.10.2
 ----------