v1.0.0

Box Direct Link Copy v1.0.0

• Added direct-link copy support for both list view and grid view in Box.
• Added Copy direct link menu item to row/card menus.
• Improved copy feedback with localized toast messages (Japanese/English).
• Stabilized icon positioning, including grid max-size layouts.
• Added bilingual user documentation (README.md, README_en.md).