0.20.5

• NEW: sidebar to manage and open documents.
• NEW: show recent files in sidebar.
• NEW: show favourite files and folder in sidebar.
• NEW: number of pen colors increased 5.
• NEW: add ability to open files using system dialog.
• NEW: option to disable angular snapping for selection.
• NEW: option to set alignment for writing canvas.
• NEW: selection handle to rotate changed to middle left.
• FIX: opening files from file explorer on Windows.
• FIX: crash when closing document with active selection.
• FIX: don't close discarded documents on exit.
• FIX: bugs when using the rectangular selection tool.
• Selection menu now follows dark theme.
• Improved error messages for file saving/loading.
• Change default page separators color.
• Set default exported name to current doc title
• Minor changes to input processing.
• Window can be snapped to half width on smaller screens.
• Other minor improvements and bug fixes.