iot sensor finished

1)with validation on front and backend
2)fixed seed route generating value 0 for data

Web-Server/modules/express.js

@@ -15,6 +15,7 @@ const limiter = rateLimit({
 	legacyHeaders: false, // Disable the `X-RateLimit-*` headers.
 })
 
+
 // Apply the rate limiting middleware to all requests.
 app.use(limiter)