Examine source code of ZeroNet Redirect

{
  "manifest_version": 2,
  "name": "ZeroNet Redirect",
  "version": "1.1",
  "description": "Automatically redirects ZeroNet domains to your local ZeroNet instance so that you don't need to type 127.0.0.1:43110.",
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "*://*.bit/",
    "*://*.yo/",
    "*://*.yu/",
    "*://*.of/",
    "*://*.inf/",
    "*://*.zn/",
    "*://*.list/"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_popup": "popup.html"
  },
  "icons": {
    "32": "icon32.png",
    "64": "icon64.png",
    "128": "icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{723ff895-f05b-4979-b4ed-c2e971cfe115}"
    }
  }
}