Update changelog for initial release (#34)

* add notes on initial release date
* add notes for currently in-development tasks

[ committed by @ankona ]
[ approved by @AlyssaCote ]

doc/changelog.rst

@@ -8,21 +8,27 @@ Work in progress
 
 Description
 
-- n / a
+- Add entity schemas
 
 
 Detailed Notes
 
-- n / a
+- The dictionary-based data will be enhanced with more well-defined
+  schemas. (SmartDashboard-PR31_)
 
-.. _PRXXX: https://github.com/CrayLabs/SmartDashboard/pull/XXX
+.. _SmartDashboard-PR31: https://github.com/CrayLabs/SmartDashboard/pull/31
 
 
 0.0.1
 -----
 
-Released on *TBD*, 2023
+Released on 14 December, 2023
 
 Description
 
-- Initial release of SmartDashboard
+- Initial release of SmartDashboard
+
+Detailed Notes
+
+- The initial release of SmartDashboard includes capabilities for viewing
+  experiment entity properties and statuses.