feat: (web) add quest table component for admin quests page

- Add getAllQuests() method to quest.service.ts
- Add GET /api/quests endpoint to server.ts
- Create QuestTable component with data display, formatting, and states
- Update AdminQuests.tsx to fetch and display quests above the form
- Add onSuccess callback to QuestForm for refresh handling

shared/modules/quest/quest.service.ts

@@ -162,5 +162,11 @@ export const questService = {
                 })
                 .returning();
         }, tx);
+    },
+
+    async getAllQuests() {
+        return await DrizzleClient.query.quests.findMany({
+            orderBy: (quests, { asc }) => [asc(quests.id)],
+        });
     }
 };