Examine source code of Crown Puzzle Solver

{
  "manifest_version": 3,
  "name": "Crown Puzzle Solver",
  "version": "1.0.2",
  "description": "Overlays a solution for the Crown puzzle on games such as but not limited to LinkedIn games/queens.",
  "icons": {
    "48": "icon.png"
  },
  "action": {
    "default_popup": "popup.html",
    "default_title": "Crown Puzzle Solver"
  },
  "permissions": [
    "scripting",
    "activeTab"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{34a739a6-0bbd-43ac-bcb6-797b69f71a5f}"
    }
  }
}