Examine source code of FaucetClaimer

{
  "manifest_version": 2,
  "name": "FaucetClaimer",
  "version": "1.3",
  "description": "Faucet Helper",
  "icons": {
    "48": "icons/Bitcoin48.png"
  },
  "applications": {
    "gecko": {
      "id": "korney33@gmail.com",
      "strict_min_version": "57.0"
    }
  },
  "browser_action": {
    "default_popup": "popup/faucet_action.html",
    "default_icon": {
      "16": "icons/Bitcoin16.png",
      "32": "icons/Bitcoin32.png"
    }
  },
  "options_ui": {
    "page": "popup/options.html"
  },
  "permissions": [
    "*://*/*",
    "tabs",
    "storage",
    "webRequest",
    "webRequestBlocking"
  ],
  "background": {
    "scripts": [
      "claimerbackground.js"
    ]
  }
}