Add SVGs to WordPress Allowed File Types

gistfile1.txt

//Add SVG Format to Allowed WordPress File Types

function ni_add_file_types_to_uploads($file_types){

    $new_filetypes = array();
    $new_filetypes['svg'] = 'image/svg+xml';
    $file_types = array_merge($file_types, $new_filetypes );

    return $file_types;
}
add_action('upload_mimes', 'ni_add_file_types_to_uploads');