Feat: Install Redis & Test API

安装 Redis，测试编写必应和状态 API（昨晚应该提交的

src/utils/redis.ts

@@ -0,0 +1,13 @@
+import { createClient, RedisClientType } from 'redis';
+
+export let client: RedisClientType;
+
+(async () => {
+  client = createClient({
+    url: 'redis://127.0.0.1:6379'
+  });
+
+  client.on('error', (err) => console.log('Redis Client Error', err));
+
+  await client.connect();
+})();