wifi connection working

static/app.js

@@ -1221,6 +1221,13 @@ joinNetworkBtn.addEventListener("click", () => {
   setTimeout(() => {
     connectedText.style.display = "none";
   }, 2000);
+  
+  data = {country:countryCodeInput.value, ssid:wifiSsidInput.value, pwd:wifiPassInput.value}
+  
+  fetch("/wifi", {
+      method: "POST",
+      body: JSON.stringify(data),
+    });
 });
 
 // change display format