Implement payment page

assets/pages/index.html

@@ -33,7 +33,7 @@
 <script>
 
     let btn = document.getElementById("connect-button");
-    btn.addEventListener("click", () => {
+    btn.addEventListener("click", async () => {
         let username = document.getElementById("username-field").value;
         let pwd = document.getElementById("password-field").value;
 
@@ -42,20 +42,22 @@
             password: pwd
         };
 
-        fetch("/login", {
+        await fetch("/login", {
             method: "POST",
             headers: {
                 "Content-Type": "application/json"
             },
-            body: JSON.stringify(data)
-        })
-        .then(response => response.text())
-        .then(result => {
-            console.log("Server response:", result);
-        })
-        .catch(error => {
-            console.error("Error:", error);
-        });
+            body: JSON.stringify(data)})
+            .then(response => {
+                if(response.ok) {
+                    window.location.href = "/payment";
+                } else {
+                    throw new Error("Authentication request failed")
+                }
+            })
+            .catch(error => {
+                console.error("Error:", error);
+            });
     });
 
 </script>