Docs-Viewer/index.json

{
    "documents": [
        {
            "title": "Welcome",
            "path": "docs/index.md",
            "slug": "welcome"
        },
        {
            "title": "Unreal Engine",
            "type": "folder",
            "items": [
                {
                    "title": "DeepImpact",
                    "path": "docs/DeepImpact.md",
                    "slug": "deep-impact"
                }
            ]
        }
    ]
}