[z2700] Implement script support for quest 2845

Thanks to @grz3s for providing the data

(based on commit SD2[3012] - 2def1cf)

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

(based on commit SD2-TBC[s2790] - 1a2a6b0)

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