Add CHANGELOG (#23)

Author: Tim Kutcher

CHANGELOG.rst

@@ -0,0 +1,16 @@
+==========
+CHANGELOG
+==========
+
+
+`0.1.0`_ (2020-11-10)
+---------------------
+
+* Initial release
+* Initial table client and API client for the JSON API
+* Initial query building features
+* Initial ORM between QuickBase tables and Python objects
+* Initial scripts which generate model classes
+
+
+.. _`0.1.0`: https://github.com/tkutcher/quickbase-client/releases/tag/v0.1.0