docs(CHANGES): Update for latest refactor

Author: tony

CHANGES

@@ -4,6 +4,13 @@ Changelog
 
 Here you can find the recent changes to libtmux
 
+current
+-------
+- :issue:`295`: Publish docs via our own action
+- :issue:`295`: Move more packaging over to poetry, though we'll keep
+  setup.py for the moment to ensure compatibility package maintainers.
+- :issue:`295`: New development instructions
+
 libtmux 0.8.3 (2020-08-16)
 --------------------------
 - :issue:`278`: Fix Python deprecation warnings, thanks @d1618033