update 3 WIN LINUX MAC

 v1.3.1 Changelog

• Added .pyw file detection alongside .py
• Fixed EXE name with spaces — --name now properly quoted
• Added --optimize=2 flag to reduce binary size
• Replaced grep-based import scanning with AST parser — correctly detects from X import Y
• Added more data file extensions: ico, jpeg, gif, bmp, svg
• Added styles folder to auto-detection list
• Added y/n prompt before including detected data files
• Added cleanup after successful build (.spec, build/ folder)
• Auto-opens dist folder after successful build via xdg-open
• Icon conversion from PNG/JPG to .icns now automatic — no confirmation needed
• Updated header — author credit simplified