feat(app-widget): multiline description (#3873)

apps/nextjs/src/app/[locale]/manage/apps/page.tsx

@@ -1,3 +1,4 @@
+import { Fragment } from "react";
 import Link from "next/link";
 import { redirect } from "next/navigation";
 import { ActionIcon, ActionIconGroup, Anchor, Avatar, Card, Group, Stack, Text, Title } from "@mantine/core";
@@ -98,7 +99,12 @@ const AppCard = async ({ app }: AppCardProps) => {
             </Text>
             {app.description && (
               <Text size="sm" c="gray.6" lineClamp={4}>
-                {app.description}
+                {app.description.split("\n").map((line, index) => (
+                  <Fragment key={index}>
+                    {line}
+                    <br />
+                  </Fragment>
+                ))}
               </Text>
             )}
             {app.href && (