v0.3.0

• Add XDND drag-and-drop support. (#2)
• Add support for PNG icons. (#19)
• Fix secondary windows to be resizable. (#15)
• Fix crash while resizing the file view.
• Fix showing correct free disk space with SI prefixes. (#17)
• Fix alpha channel blending for icons everywhere. (#18)
• Fix crash when directory contains Umlaut entries on macOS, also when clicking such entries on the shelf. (#21)
• Fix transparent background of default folder icon.
• Fix reading uninitialized data in Browser/PathView when setting up window.
• Fix OpenBSD linker advisories. (#24)
• Fix compiler warnings. (#23)
• Install manpage as part of make install.
• Remove the obsolete chdef tool.
• Add CI pipeline to build code and check formatting. (#22)