Add a controller and router to update a user's password

+ Add a function to update the password internally
+ The current interface could be improved (made more RESTful)

src/Routes/admin.routes.ts

@@ -1,5 +1,5 @@
 import express from "express";
-import { getAllAdmins, createAdmin } from "../Controllers/admin.controller";
+import { getAllAdmins, createAdmin, updatePassword } from "../Controllers/admin.controller";
 import { requireAuthentication } from "../Middleware/auth/auth";
 
 const router = express.Router();
@@ -8,4 +8,7 @@ router.get("/", requireAuthentication, getAllAdmins);
 
 router.post("/", requireAuthentication, createAdmin);
 
+// TODO: Use URL parameters to specify the user to update
+router.put("/password", requireAuthentication, updatePassword);
+
 export default router;