Add 0.5.7

CHANGELOG.md

@@ -11,6 +11,14 @@ Sections:
 
 ---
 
+## [0.5.7] - 2026-01-17
+
+### Changed
+- Mobile UI improvements: removed floating action buttons to prevent overlay issues.
+- Improved responsive layout to avoid horizontal overflow (badges, URLs, descriptions).
+- README rendering on mobile is more stable (better wrapping and image scaling).
+- Header icon buttons are more readable in both light and dark mode.
+
 ## [0.5.6] - 2026-01-17
 
 ### Added