book.json

{   
    "gitbook": ">= 3.2.2",
    "title": "PX4 User Guide",
    "variables": {
        "logo": "./assets/site/logo_pro_small.png",
        "px4_version": "master"
    },
    "plugins": [
        "youtube",
        "richquotes@git+https://github.com/Dronecode/gitbook-plugin-richquotes.git",
        "language-picker",
        "collapsible-menu",
        "anchors",
        "page-toc-button",
        "ga",
        "page-footer-ex",
        "custom-favicon",
        "bulk-redirect@git+https://github.com/Dronecode/gitbook-plugin-bulk-redirect.git",
        "toolbar@git+https://github.com/hamishwillee/gitbook-plugin-toolbar.git",
        "validate-links",
        "versions-select@git+https://github.com/Dronecode/gitbook-plugin-versions-select.git",
        "mathjax@git+https://github.com/Dronecode/plugin-mathjax.git#update_cdn",
        "theme-dronecode@git+https://github.com/dronecode/theme-dronecode.git"
    ],
    "pluginsConfig": {

        "page-footer-ex":{
            "copyright":"© PX4 Dev Team. License:   <a href='https://creativecommons.org/licenses/by/4.0/'>CC BY 4.0</a>",
            "update_label":"Updated: ",
            "update_format":"YYYY-MM-DD HH:mm:ss"
        },
        "ga": {
            "token": "UA-33658859-3"
        },
        "richquotes":
        {
            "tip": {
                "alert": "success",
                "picto": "fa-thumbs-o-up"
            },
            "archived": {
                "alert": "warning",
                "picto": "fa-archive"
            }
        },
        "favicon": "favicon.ico",
        "bulk-redirect": {
            "basepath": "/",
            "redirectsFile": "redirects.json"
        },
        "toolbar": {
            "buttons":
            [
                {
                    "label": "Bug tracker",
                    "icon": "fa fa-bug",
                    "position" : "left",
                    "url": "https://github.com/PX4/px4_user_guide/issues/new?title=Doc+Bug:+{{title}}&body=DESCRIBE+PROBLEM+WITH+DOCS+HERE%0A%0ABug+Page:+[{{title}}]({{url}})"
                    
                },
                {
                    "label": "GitHub",
                    "icon": "fa fa-github",
                    "url": "https://github.com/PX4/px4_user_guide"
                },
                {
                    "label": "Edit page on github",
                    "icon": "fa fa-pencil-square-o",
                    "position" : "left",
                    "url": "https://github.com/PX4/px4_user_guide/edit/master/{{filepath_lang}}"
                }
            ]
        },
        
        "versions": {
            "gitbookConfigURL": "https://raw.githubusercontent.com/PX4/px4_user_guide/main/book.json",
            "options": [
                {
                    "value": "https://docs.px4.io/main/en/",
                    "text": "main"
                },
                {
                    "value": "https://docs.px4.io/v1.15/en/",
                    "text": "v1.15 - stable"
                },
                {
                    "value": "https://docs.px4.io/v1.14/en/",
                    "text": "v1.14"
                },
                {
                    "value": "https://docs.px4.io/v1.13/en/",
                    "text": "v1.13"
                },
                {
                    "value": "https://docs.px4.io/v1.12/en/",
                    "text": "v1.12"
                },				 
                {
                    "value": "https://docs.px4.io/v1.11/en/",
                    "text": "v1.11"
                }
            ]
        }

    }

}