feat: add user avatar menu (#80)

apps/nextjs/src/components/layout/header/user.tsx

@@ -1,11 +1,14 @@
 import { UnstyledButton } from "@homarr/ui";
 
 import { UserAvatar } from "~/components/user-avatar";
+import { UserAvatarMenu } from "~/components/user-avatar-menu";
 
 export const UserButton = () => {
   return (
-    <UnstyledButton>
-      <UserAvatar size="md" />
-    </UnstyledButton>
+    <UserAvatarMenu>
+      <UnstyledButton>
+        <UserAvatar size="md" />
+      </UnstyledButton>
+    </UserAvatarMenu>
   );
 };