Qt 6 documentation tools

 Qt is a cross-platform C++ application framework. Qt's primary feature
 is its rich set of widgets that provide standard GUI functionality.
 .
 This package contains tools like qdoc, qtattributionsscanner and
 qhelpgenerator.
 .
 qdoc is a command-line tool for generating HTML documentation from .cpp
 and .qdoc files.
 .
 qtattributionsscanner is a command-line tool that scans the source
 code for qt_attribution.json file and outputs JSON or qdoc files
 describing the copyright attributions for third party code.
 .
 qhelpgenerator is a command-line tool for packaging the HTML
 documentation generated by qdoc into .qch files.