Examine source code of Rabby Wallet

{
  "manifest_version": 2,
  "name": "Rabby Wallet",
  "version": "1.3.7",
  "description": "Rabby is an open source crypto wallet in your browser for Ethereum.",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png"
    }
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{5b462d58-5c5e-4369-87c0-cd853d647d1d}"
    }
  }
}