dashboard: add staff vuex store

backend/src/api/staff.ts

@@ -0,0 +1,15 @@
+import express, { Request, Response } from "express";
+import { apiTokenAuthHandlers } from "./auth";
+import { isStaff } from "../staff";
+
+export function initStaff(app: express.Express) {
+  const staffRouter = express.Router();
+  staffRouter.use(...apiTokenAuthHandlers());
+
+  staffRouter.get("/status", (req: Request, res: Response) => {
+    const userIsStaff = isStaff(req.user.userId);
+    res.json({ isStaff: userIsStaff });
+  });
+
+  app.use("/staff", staffRouter);
+}