feat: add delete functionality for leases, catch books, and permits; implement newsletter update feature

apps/web/app/[locale]/home/[account]/courses/[courseId]/page.tsx

@@ -20,6 +20,7 @@ import { Card, CardContent, CardHeader, CardTitle } from '@kit/ui/card';
 import { AccountNotFound } from '~/components/account-not-found';
 import { CmsPageShell } from '~/components/cms-page-shell';
 
+import { CreateSessionDialog } from './create-session-dialog';
 import { DeleteCourseButton } from './delete-course-button';
 
 interface PageProps {
@@ -214,11 +215,14 @@ export default async function CourseDetailPage({ params }: PageProps) {
         <Card>
           <CardHeader className="flex flex-row items-center justify-between">
             <CardTitle>Termine</CardTitle>
-            <Link href={`/home/${account}/courses/${courseId}/attendance`}>
-              <Button variant="outline" size="sm">
-                Anwesenheit
-              </Button>
-            </Link>
+            <div className="flex gap-2">
+              <CreateSessionDialog courseId={courseId} />
+              <Link href={`/home/${account}/courses/${courseId}/attendance`}>
+                <Button variant="outline" size="sm">
+                  Anwesenheit
+                </Button>
+              </Link>
+            </div>
           </CardHeader>
           <CardContent>
             <div className="rounded-md border">