feat(screenshots.json): add template data
feat(screenshots.json): add template data

Each screenshot consists of the following JSON object:
{
        "url": "app/images/assets/screenshosts/hairy-chart-no-tooltip.png",
        "title": {
                "en": "English Title",
                "fr": "Titre français"
        },
        "long-desc": {
                "en": "english desc",
                "fr": "description française"
        }
}

edouard-lopez/website-probe,edouard-lopez/website-probe,edouard-lopez/website-probe