chore: prepare release notes for 0.3.0

Author: Midnighter

CHANGELOG.rst

@@ -4,9 +4,12 @@ History
 
 Next Release
 ------------
-* Fix: Better error on bad ModelItem constructor argument (#50)
-* Fix: Suppress archiving of downloaded workspaces by setting archive location to None (#54)
-* Fix: Add DeploymentView (#55)
+
+0.3.0 (2020-11-29)
+------------------
+* Fix: Better error on bad ``ModelItem`` constructor argument (#50)
+* Fix: Suppress archiving of downloaded workspaces by setting archive location to ``None`` (#54)
+* Feat: Add ``DeploymentView`` (#55)
 
 0.2.1 (2020-11-27)
 ------------------