* Updated QT section * Fixed trailing whitespace * Update doc/languages-frameworks/qt.section.md Co-authored-by: Jan Tojnar <jtojnar@gmail.com> * Update doc/languages-frameworks/qt.section.md Co-authored-by: Jan Tojnar <jtojnar@gmail.com> * Made changes to docs as per jtojnar's review * Added docbook tags for callouts back in Co-authored-by: Jan Tojnar <jtojnar@gmail.com>