feat: add zone system to bosses and quests

apps/api/src/data/zones.ts

@@ -0,0 +1,31 @@
+import type { Zone } from "@elysium/types";
+
+export const DEFAULT_ZONES: Zone[] = [
+  {
+    id: "verdant_vale",
+    name: "The Verdant Vale",
+    description:
+      "Rolling green hills and ancient forests stretch to the horizon. This is where your guild takes its first steps — trade roads in need of clearing, goblin camps to rout, and an undead queen stirring in the north.",
+    emoji: "🌿",
+    status: "unlocked",
+    unlockBossId: null,
+  },
+  {
+    id: "shattered_ruins",
+    name: "The Shattered Ruins",
+    description:
+      "The remnants of a civilisation long lost to war and dragonfire. Crumbling towers and cursed lakes hide treasures — and an elder dragon who claims these lands as his own.",
+    emoji: "🏛️",
+    status: "locked",
+    unlockBossId: "lich_queen",
+  },
+  {
+    id: "frozen_peaks",
+    name: "The Frozen Peaks",
+    description:
+      "At the edge of the world, where the sun barely rises and the cold is a living thing, a tear in reality has drawn something ancient and terrible. Only the mightiest guilds dare tread here.",
+    emoji: "❄️",
+    status: "locked",
+    unlockBossId: "elder_dragon",
+  },
+];