Semi.Avalonia/src/Semi.Avalonia.DataGrid/Index.axaml

<Styles xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    <!--  Add Resources Here  -->
    <Styles.Resources>
        <ResourceDictionary>
            <ResourceDictionary.ThemeDictionaries>
                <ResourceInclude x:Key="Default" Source="avares://Semi.Avalonia.DataGrid/Light.axaml" />
                <ResourceInclude x:Key="Dark" Source="avares://Semi.Avalonia.DataGrid/Dark.axaml" />
            </ResourceDictionary.ThemeDictionaries>
            <ResourceDictionary.MergedDictionaries>
                <ResourceInclude Source="avares://Semi.Avalonia.DataGrid/DataGrid.axaml" />
            </ResourceDictionary.MergedDictionaries>
        </ResourceDictionary>
    </Styles.Resources>
</Styles>