recommendation engine 75% polished

backend/index.js

@@ -6,6 +6,7 @@ const db = require("./utils/database");
 const userRouter = require("./routes/user");
 const productRouter = require("./routes/product");
 const searchRouter = require("./routes/search");
+const recommendedRouter = require("./routes/recommendation");
 const { generateEmailTransporter } = require("./utils/mail");
 const {
   cleanupExpiredCodes,
@@ -36,6 +37,7 @@ checkDatabaseConnection(db);
 app.use("/api/user", userRouter); //prefix with /api/user
 app.use("/api/product", productRouter); //prefix with /api/product
 app.use("/api/search_products", searchRouter); //prefix with /api/product
+app.use("/api/Engine", recommendedRouter); //prefix with /api/
 
 // Set up a scheduler to run cleanup every hour
 setInterval(cleanupExpiredCodes, 60 * 60 * 1000);