add ioredis package

Author: patinthehat

package.json

@@ -37,6 +37,7 @@
         "body-parser": "^1.19.0",
         "dotenv": "^10.0.0",
         "graphql": "^15.5.0",
+        "ioredis": "^4.27.5",
         "lodash": "^4.17.21"
     },
     "devDependencies": {