template/template.nuspec.xml

<?xml version="1.0"?>
<package xmlns="http://schemas.microsoft.com/packaging/2013/05/nuspec.xsd">
    <metadata>
        <!--mandatory-->
        <id>PackageName</id>
        <version></version>
        <authors>Authors</authors>
        <!--optional with default-->
        <requireLicenseAcceptance>false</requireLicenseAcceptance>
        <!--more at https://docs.microsoft.com/en-us/nuget/reference/nuspec-->
    </metadata>
</package>