feat: added `addressFormat` and `headerFormat`

fix: broken Qt5 support (fixes #102)

feat: implemented QHexDocument::append()

chore: added QHEXVIEW_ASAN option (opt-in)

chore(QHexUtils): use explicit namespace

Merge pull request #95 from Arvil/5.0

Use explicit capture of this

Merge pull request #77 from Siveya/5.0

Fix the infinite loop when searching for something that cannot be found