v1.2.0

• Improved the Material Design 2 theme, adding theme color setting and optional true black night mode, and removed the deprecated Material Design 1 theme.
• Added SMB support.
• Added storage management.
• Added Sui support.
• Added viewing permission info for APK files.
• Added thumbnail for PDF files.
• Added setting for displaying file names.
• Added support for dragging out the navigation drawer from anywhere on screen.
• Fixed certain issues in FTP server.
• Other bug fixes and improvements.