Examine source code of Portail lexical

{
  "manifest_version": 2,
  "version": "3.4.0",
  "name": "__MSG_extensionName__",
  "description": "__MSG_extensionDescription__",
  "default_locale": "fr",
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Ctrl+Shift+F",
        "mac": "Alt+Shift+F"
      },
      "description": "Ouvre la fenêtre de l'extension"
    },
    "quick-access-command": {
      "suggested_key": {
        "default": "Ctrl+Shift+Q",
        "mac": "Alt+Shift+Q"
      },
      "description": "Recherche rapide depuis le texte sélectionné"
    }
  },
  "icons": {
    "32": "img/logo-portail.svg",
    "48": "img/logo-portail.svg",
    "64": "img/logo-portail.svg",
    "128": "img/logo-portail.svg",
    "512": "img/logo-portail.svg"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "extension@portail-lexical.fr",
      "strict_min_version": "58.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "activeTab",
    "contextMenus",
    "storage",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "js/background.js"
    ]
  },
  "omnibox": {
    "keyword": "pl"
  },
  "browser_action": {
    "default_icon": {
      "32": "img/logo-portail.svg",
      "48": "img/logo-portail.svg",
      "64": "img/logo-portail.svg",
      "128": "img/logo-portail.svg",
      "512": "img/logo-portail.svg"
    },
    "default_popup": "popup.html"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": false
  }
}