Examine source code of ZAP Browser Tool

{
  "manifest_version": 2,
  "name": "ZAP Browser Tool",
  "version": "1.0",
  "description": "Integrates browser functionality with OWASP ZAP for basic proxy and request inspection.",
  "icons": {
    "48": "icon.png"
  },
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "tabs",
    "<all_urls>"
  ],
  "browser_action": {
    "default_title": "ZAP Tool",
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f1a55643-0d34-43f4-8714-d4823bcd7348}"
    }
  }
}