feat: Add compression and caching to movie routes

Adds gzip compression middleware and an in-memory cache for movie data to improve performance. Also adds database indexes for common query patterns.

Co-authored-by: mathieumoran1 <[email protected]>

index.js

@@ -2,12 +2,14 @@ const express = require("express");
 const mongoose = require("mongoose");
 const dotenv = require("dotenv");
 const cors = require("cors");
+const compression = require("compression");
 
 dotenv.config();
 const app = express();
 
 // Middleware
 app.use(cors());
+app.use(compression());
 app.use(express.json());
 
 // Connect to MongoDB