Update CHANGELOG.md to document image-based context menu functionality

- Document the new image-based context menu behavior
- Add details about enhanced user experience with direct image interaction
- Update version 1.0.3 changelog with context menu improvements

CHANGELOG.md

@@ -14,6 +14,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - **Context Menu Privacy Options**: Added right-click options on video/picture pages:
   - 👥 Set to Friends Only
   - 🌐 Set to All Fetlifers
+- **Image-Based Context Menu**: Context menu items now appear when right-clicking directly over images
+- **Enhanced User Experience**: More intuitive interaction by clicking on specific images
 
 ### Enhanced
 - **User Interface**: Added privacy level selector above the action buttons