move recruitment logic from the adventurer view to the main save data

src/classes/Recruitment.ts

@@ -0,0 +1,13 @@
+import type {Adventurer} from "@/classes/Adventurer";
+
+
+/**
+ * Get a random adventurer from the pool
+ * @param adventurerPool
+ * @returns {Adventurer|null} null if the pool is empty
+ */
+export function getNewAdventurerForHire(adventurerPool: Array<Adventurer>): Adventurer|null {
+    if (adventurerPool.length <= 0) return null;
+    const randomId = adventurerPool.length * Math.random() << 0;
+    return adventurerPool[randomId];
+}