minor: form feedbacks

src/scripts/save-feedback.js

@@ -0,0 +1,19 @@
+document.addEventListener("DOMContentLoaded", () => {
+    const Toast = Swal.mixin({
+        toast: true,
+        position: 'top',
+        showConfirmButton: false,
+        timer: 3000,
+        timerProgressBar: true,
+        didOpen: (toast) => {
+            toast.addEventListener('mouseenter', Swal.stopTimer)
+            toast.addEventListener('mouseleave', Swal.resumeTimer)
+        }
+    })
+    document.addEventListener("save", () => {
+        Toast.fire({
+            icon: 'success',
+            title: 'Succès!'
+        })
+    });
+});