Add script for npcs 28817 and 28864

Required for quest 12701

Signed-off-by: Xfurry <xfurry@scriptdev2.com>
Implement various missing scripts

Npcs 17226, 17949, 16847, 19420, 19305, 22138

Signed-off-by: Xfurry <xfurry@scriptdev2.com>