Examine source code of MeshToken

{
  "manifest_version": 2,
  "name": "MeshToken",
  "version": "1.0",
  "description": "Помогает получить токен МЭШ.",
  "icons": {
    "50": "icons/encrypt.png"
  },
  "applications": {
    "gecko": {
      "id": "sherstnev.denis.v@gmail.com",
      "strict_min_version": "45.0"
    }
  },
  "browser_action": {
    "default_icon": "icons/encrypt.png",
    "default_title": "MeshToken",
    "default_popup": "popup/popup.html"
  },
  "permissions": [
    "activeTab"
  ]
}