[improvement][ui] allowing 'Oxygen' as a default style

CHANGELOG.md

@@ -21,6 +21,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
     - sorting installed packages by their names
     - big refactoring regarding the components states (now it is easier to maintain the code)
     - some components compatibility with the system's color scheme
+    - allowing "Oxygen" as a default style
 
 ### Fixes
 - AppImage

bauh/context.py

@@ -20,7 +20,7 @@ def new_qt_application(app_config: dict, quit_on_last_closed: bool = False, name
     if app_config['ui']['style']:
         app.setStyle(str(app_config['ui']['style']))
     else:
-        if app.style().objectName().lower() not in {'fusion', 'breeze'}:
+        if app.style().objectName().lower() not in {'fusion', 'breeze', 'oxygen'}:
             app.setStyle('Fusion')
 
     return app