Add qt5-qtsvg dependency (fix blank/missing icons)

Ask appstreamcli to explain validation findings

Correct appstreamcli invocation (--nonet no longer works)

Package the readme and changelog files as documentation

Add a hard dependency on ffmpeg for import/export

Add a man page

Make the application report that it is a release build

Ensure BSD-3-Clause license text is present in the binary RPMs

Validate AppData XML, as required by guidelines

Update License to SPDX; unbundle miniz and catch2

Do not package developer documentation sources

Use pkgconfig(…) style for Qt5 BuildRequires

General spec-file tidying; stricter file patterns

Rebuilt for https://fedoraproject.org/wiki/Fedora_37_Mass_Rebuild

Rebuilt for https://fedoraproject.org/wiki/Fedora_36_Mass_Rebuild