Adds html/android.html, a step-by-step guide for the HTTrack Android app (install, project, address, options, run, browse, storage), with screenshots of the shipped app and an options section covering all eleven tabs and the settings that are missing or fixed on Android. Linked from the documentation index between the WinHTTrack/WebHTTrack and Fred Cohen entries.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Signed-off-by: Xavier Roche <roche@httrack.com>