Examine source code of Sprout for YNAB

{
  "name": "Sprout for YNAB",
  "version": "1.1.4",
  "description": "An extension for YNAB that allows users to quickly add a transaction to their budget.",
  "icons": {
    "16": "assets/logos/logo-16.png",
    "48": "assets/logos/logo-48.png",
    "128": "assets/logos/logo-128.png"
  },
  "browser_action": {
    "default_popup": "index.html"
  },
  "permissions": [
    "identity",
    "storage"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "options_ui": {
    "page": "options/options.html"
  },
  "author": "Daniel Cabuslay",
  "homepage_url": "https://sproutforynab.com",
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "{88c47208-ddab-4aac-9d83-8e0873724f7e}"
    }
  }
}