Examine source code of Vegas Fidget Slots

{
  "manifest_version": 3,
  "name": "Vegas Fidget Slots",
  "version": "1.0.0",
  "description": "A one-armed bandit slot machine fidget tool in your Firefox sidebar.",
  "browser_specific_settings": {
    "gecko": {
      "id": "vegas-fidget-slots@local",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "storage"
  ],
  "sidebar_action": {
    "default_title": "Vegas Slots",
    "default_panel": "src/sidepanel.html",
    "default_icon": "src/icons/icon.svg"
  },
  "action": {
    "default_title": "Open Vegas Slots",
    "default_icon": "src/icons/icon.svg"
  },
  "background": {
    "scripts": [
      "src/background.js"
    ]
  }
}