Add redis

+ Add a public lib file for redis
  + Add an indexed auth client
  + Add a function to create promisified partial clients
+ Add password revisions to the auth redis index

package.json

@@ -23,11 +23,13 @@
     "@types/jsonwebtoken": "^8.5.5",
     "@types/node": "^16.10.3",
     "@types/nodemailer": "^6.4.4",
+    "@types/redis": "^2.8.32",
     "argon2": "^0.28.2",
     "dotenv": "^10.0.0",
     "express": "^4.17.1",
     "jsonwebtoken": "^8.5.1",
-    "nodemailer": "^6.7.0"
+    "nodemailer": "^6.7.0",
+    "redis": "^3.1.2"
   },
   "devDependencies": {
     "@types/chai": "^4.2.22",