experimental multidownload implemented

frontend/src/components/MessageToast.tsx

@@ -0,0 +1,29 @@
+import React from "react";
+import {
+    Toast,
+} from "react-bootstrap";
+
+type Props = {
+    flag: boolean,
+    callback: Function,
+    children:
+    | JSX.Element
+    | string
+}
+
+export function MessageToast({ flag, callback, children }: Props) {
+    return (
+        <Toast
+            show={flag}
+            onClose={() => callback(false)}
+            bg={'primary'}
+            delay={1500}
+            autohide
+            className="mt-5"
+        >
+            <Toast.Body className="text-light">
+                {children}
+            </Toast.Body>
+        </Toast>
+    );
+}