Examine source code of Tesseract

{
  "manifest_version": 3,
  "name": "Tesseract",
  "version": "1.2",
  "icons": {
    "16": "img/logo.jpg",
    "32": "img/logo.jpg",
    "48": "img/logo.jpg",
    "128": "img/logo.jpg"
  },
  "permissions": [
    "storage",
    "activeTab",
    "scripting"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "img/logo.jpg",
      "32": "img/logo.jpg"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "tesseract-addon@.dev",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}