portfolio/common/docs/portfolio.tree

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE instance-profile
        SYSTEM "https://resources.jetbrains.com/writerside/1.0/product-profile.dtd">

<instance-profile id="portfolio"
                 name="portfolio"
                  start-page="test.md">

    <toc-element topic="test.md"/>
    <toc-element topic="API_Reference.md">
        <toc-element topic="Schemas.md"/>
        <toc-element topic="nfc_uid_GET.md"/>
    </toc-element>
</instance-profile>