docs: update changelog

Author: Tienisto

app/assets/CHANGELOG.md

@@ -1,6 +1,13 @@
 ## 1.15.0 (unreleased)
 
+- feat: add clear button in the send tab (@Caesarovich)
+- feat: add URL view when sharing via link that shows the URL in bigger font (@harriseldon)
+- feat(desktop): show progress in the taskbar (@NightFeather0615)
+- feat: add discovery timeout setting for advanced users (@o2e)
+- fix: sanitize file names with invalid characters (@Caesarovich)
 - fix(windows): correctly remove tray icon when closing the app (@zpp0196)
+- fix(windows): don't keep file open (@NightFeather0615)
+- fix(linux): compatibility with newer libayatana versions (@ix5)
 - i18n: add Serbian (@nebojsatomic)
 
 ## 1.14.0 (2024-02-26)