Examine source code of ScreenTutorial

{
  "manifest_version": 2,
  "name": "ScreenTutorial",
  "version": "1.0.0",
  "description": "Génère des tutoriels pas-à-pas à partir de vos sessions de navigation",
  "permissions": [
    "activeTab",
    "tabs",
    "<all_urls>",
    "webNavigation"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "48": "icons/icon.svg",
      "96": "icons/icon.svg"
    },
    "default_title": "ScreenTutorial"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_end"
    }
  ],
  "icons": {
    "48": "icons/icon.svg",
    "96": "icons/icon.svg"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "screentutorial@extension",
      "strict_min_version": "140.0",
      "strict_min_version_android": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}