Display toast when Gameyfin restarts

app/src/main/frontend/components/administration/SystemManagement.tsx

@@ -1,14 +1,25 @@
 import React from "react";
 import {SystemEndpoint} from "Frontend/generated/endpoints";
 import withConfigPage from "Frontend/components/administration/withConfigPage";
-import {Button} from "@heroui/react";
+import {addToast, Button} from "@heroui/react";
 import Section from "Frontend/components/general/Section";
 
 function SystemManagementLayout() {
+
+    function restart() {
+        SystemEndpoint.restart().then(() =>
+            addToast({
+                title: "Restarting",
+                description: "Gameyfin is restarting. This may take a few moments.",
+                color: "success"
+            })
+        );
+    }
+
     return (
         <div className="flex flex-col mt-4">
             <Section title="Restart Gameyfin"/>
-            <Button onPress={() => SystemEndpoint.restart()}>Restart</Button>
+            <Button onPress={restart}>Restart</Button>
         </div>
     );
 }