lava tsunami wand

Adds the Lava Tsunami Wand: an unstackable, damageable wand that, when right-clicked, summons a massive wall of lava (100 blocks tall) that moves forward up to 50 blocks, damaging and igniting any entities it contacts before the lava cleans itself up at the end of its range or lifetime. The wand plays usage sounds and consumes durability in survival (with different behavior in creative), so hold and right‑click to cast the tsunami and watch it sweep forward.