feat: Implements Throwing skill, weapons, artifacts, and crafting (SA)
Interim Commit. TODO: NPC/creature work.
- Adds BaseThrown with close-quarters/range/shield hit chance modifiers,
returning weapon effect, STR-scaled max range, and overthrow penalty
- Adds Boomerang, Cyclone, and SoulGlaive (Gargoyle-only throwing weapons)
- Adds Bladeweaver NPC vendor selling throwing weapons and ammo
- Adds DefBlacksmithy recipes for all three throwing weapons (Core.SA)
- Adds SA weapon type arrays to Loot (SAWeaponTypes, SARangedWeaponTypes)
with isStygian parameter on random weapon/ranged/jewelry helpers
- Adds AbyssReaver, BansheesCall, RaptorClaw, StoneSlithClaw, StormCaller,
ValkyriesGlaive, WindOfCorruption throwing weapon artifacts
- Fixes MovingShot BaseMana (15 -> 20) and TOL-conditional accuracy penalty
- Adds 58 unit tests covering weapon properties, race restrictions,
hit chance math, artifact properties, and loot table contents
cf3efaa2b7