Examine source code of Lola

{
  "manifest_version": 2,
  "name": "Lola",
  "version": "0.2.7resigned1",
  "description": "Lola vous permet de changer le style de la page \"Nouvel Onglet\"",
  "author": "Nicolas Guilloux",
  "developer": {
    "name": "Nicolas Guilloux",
    "url": "https://nicolasguilloux.eu/projets/Lola"
  },
  "icons": {
    "48": "img/icon-48.png",
    "96": "img/icon-96.png"
  },
  "applications": {
    "gecko": {
      "id": "lola@nicolasguilloux.eu",
      "strict_min_version": "57.0a1"
    }
  },
  "permissions": [
    "storage"
  ],
  "options_ui": {
    "page": "options.html",
    "browser_style": true
  },
  "chrome_url_overrides": {
    "newtab": "app.html"
  },
  "chrome_settings_overrides": {
    "homepage": "app.html"
  }
}