interaktive-systeme/app/(tabs)/budget/_layout.tsx

import { Stack } from "expo-router";

export default function _Layout() {
    return (
        <Stack initialRouteName="index" screenOptions={{headerShown: false}}>
            <Stack.Screen name="index"/>
            <Stack.Screen name="addCategory" options={{presentation: "modal"}}/>
        </Stack>
    );
}