minimal Site.xml

Site.xml

<?xml version="1.0" encoding="UTF-8"?>
<root>
    <site name="My Site" state="1" siteResourcesPackageKey="Vendor.SitePackage" siteNodeName="my-site">
        <nodes formatVersion="2.0">
            <node nodeName="my-site">
                <variant
                    workspace="live"
                    nodeType="Vendor.SitePackage:Document.HomePage"
                    sortingIndex="100"
                    version="1"
                    removed=""
                    hidden=""
                    hiddenInIndex=""
                    >
                    <dimensions/>
                    <accessRoles __type="array"/>
                    <properties>
                        <title __type="string">My Site</title>
                        <uriPathSegment __type="string">my-site</uriPathSegment>
                    </properties>
                </variant>
                <node nodeName="main">
                    <variant
                        workspace="live"
                        nodeType="TYPO3.Neos:ContentCollection"
                        sortingIndex="100"
                        version="1"
                        removed=""
                        hidden=""
                        hiddenInIndex=""
                        >
                        <dimensions/>
                        <accessRoles __type="array" />
                    </variant>
                </node>
            </node>
        </nodes>
    </site>
</root>