added full project files

static/js/showSuccessAlert.js

@@ -0,0 +1,8 @@
+function showSuccessAlert(event) {
+            event.preventDefault(); // Prevent form submission
+            document.getElementById("successPopup").style.display = "block";
+            setTimeout(function() {
+                document.getElementById("successPopup").style.display = "none";
+                event.target.submit(); // Submit the form after showing the message
+            }, 2000);
+        }