test/book.json

{
    "plugins": [
        "theme-gestalt",
        "-theme-default",
        "styles-sass-fix"
    ],
    "pluginsConfig": {
        "theme-gestalt": {
            "excludeDefaultStyles": true,
            "logo": "/test/assets/logo.png",
            "favicon": "/test/assets/favicon.png",
            "baseUrl": null,	
            "doNotHideChildrenChapters" : false	
       
        }
    },
    "styles": {
        "website": "./styles/website.scss"
    }
}