dev: set version 0.3.0

Author: omarkohl

CHANGELOG.md

@@ -5,9 +5,24 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [0.3.0] - 2025-12-31
 
-_Nothing yet._
+### Added
+- Prehistoric hominins: Toumaï, Lucy, Taung Child, Mrs Ples, Zinj, Homo habilis, Turkana Boy
+- French Revolution figures: Georges Danton, Jean-Paul Marat, Maximilien Robespierre, Marie Antoinette, Louis XVI
+- French Revolution events: Storming of the Bastille, Reign of Terror, Thermidorian Reaction
+
+### Changed
+- Cards now display source/license information and tags on the back
+- Date of death only shown when available (instead of showing empty dash)
+- Improved and expanded information for many existing persons and events
+- Image source links now clickable
+- Fixed some incorrect tags on persons
+
+### Development
+- Added Neo4j integration for querying and managing historical data
+- Added image validation script
+- Renamed all images to consistent naming convention
 
 ## [0.2.1] - 2025-12-09
 
@@ -35,7 +50,8 @@ _Nothing yet._
 ### Added
 - Initial release
 
-[Unreleased]: https://github.com/omarkohl/ultimate-history/compare/v0.2.1...HEAD
+[Unreleased]: https://github.com/omarkohl/ultimate-history/compare/v0.3.0...HEAD
+[0.3.0]: https://github.com/omarkohl/ultimate-history/compare/v0.2.1...v0.3.0
 [0.2.1]: https://github.com/omarkohl/ultimate-history/compare/v0.2.0...v0.2.1
 [0.2.0]: https://github.com/omarkohl/ultimate-history/compare/v0.1.0...v0.2.0
 [0.1.0]: https://github.com/omarkohl/ultimate-history/releases/tag/v0.1.0

src/headers/description.html

@@ -1,3 +1,3 @@
 Learn about human history.
 See <a href="https://github.com/omarkohl/ultimate-history">github.com/omarkohl/ultimate-history</a> to submit bug reports and your own improvements! Everyone can collaborate on improving this deck.
-<b>Version: </b>0.3.0-dev
+<b>Version: </b>0.3.0