Homarr/src/components/Settings/AdvancedSettings.tsx

import { TextInput, Group, Button } from '@mantine/core';
import { useForm } from '@mantine/form';
import { useConfig } from '../../tools/state';

export default function TitleChanger() {
  const { config, loadConfig, setConfig, getConfigs } = useConfig();

  const form = useForm({
    initialValues: {
      title: config.settings.title,
      logo: config.settings.logo,
      favicon: config.settings.favicon,
    },
  });

  const saveChanges = (values: { title: string; logo: string; favicon: string }) => {
    setConfig({
      ...config,
      settings: {
        ...config.settings,
        title: values.title,
        logo: values.logo,
        favicon: values.favicon,
      },
    });
  };

  return (
    <form onSubmit={form.onSubmit((values) => saveChanges(values))}>
      <TextInput label="Page title" placeholder="'Homarr 🦞" {...form.getInputProps('title')} />
      <TextInput label="Logo" placeholder="/img/logo.png" {...form.getInputProps('logo')} />
      <TextInput label="Favicon" placeholder="/favicon.svg" {...form.getInputProps('favicon')} />
      <Group grow position="center" mt="xl">
        <Button type="submit">Save</Button>
      </Group>
    </form>
  );
}