add count logging w redis + display on main page

pages/api/getUserCount.ts

@@ -0,0 +1,9 @@
+import type { NextApiRequest, NextApiResponse } from "next";
+import redis from "../../src/redis";
+
+export default async function handler(req: NextApiRequest, res: NextApiResponse) {
+    let users = await redis.hgetall("users");
+    let count = Object.keys(users);
+
+    res.status(200).send({ count: count.length });
+}