add direct invitation link

src/pages/signup/index.astro

@@ -0,0 +1,24 @@
+---
+import { getSettings, SettingKey } from '@util/settings.ts';
+import { db } from '@db/database.ts';
+import Signup from '@app/website/signup/Signup.astro';
+
+const signupSetting = await getSettings(db, [
+  SettingKey.SignupEnabled,
+  SettingKey.SignupDisabledMessage,
+  SettingKey.SignupDisabledSubMessage
+]);
+const signupEnabled = signupSetting[SettingKey.SignupEnabled] ?? false;
+const signupDisabledMessage = signupSetting[SettingKey.SignupDisabledMessage] ?? 'Anmeldung deaktiviert';
+const signupDisabledSubMessage = signupSetting[SettingKey.SignupDisabledSubMessage] ?? '';
+---
+
+<Signup
+  signupDisabled={signupEnabled
+    ? undefined
+    : {
+        message: signupDisabledMessage,
+        subMessage: signupDisabledSubMessage
+      }}
+  }
+/>