Update CHANGELOG.md

Author: roberto-butti

CHANGELOG.md

@@ -1,13 +1,17 @@
 # Changelog
 
-## 0.1.0 - WIP
+## 0.1.0 - 2025-02-21
 - Refactoring exception handling: Bubble up the exception
 - Refactoring Space, Spaces and SpaceResponse
 - Adding some helper method to Space like region() and planLevel()
 - Refactoring Story / Stories , StoryResponse, StoriesResponse
 - Adding StoryComponent class
 - Refactoring Asset, Assets and AssetResponse
 - Refactoring Tag, Tags and TagResponse
+- Adding `setExternalUrl()` to `Asset` data class, you can set an external URL for an asset
+- Adding `publishedAt()` method to `Story` data class, you can retrieve the published at field (with formatting options, default is "Y-m-d")
+- Adding `addBlok()` method to `StoryComponent` data class, so you can easily add nested component to your content
+- Readme: A new example for nesting components
 
 ## 0.0.7 - 2025-02-09