Examine source code of Adjaranet Adblocker

{
  "manifest_version": 2,
  "name": "Adjaranet Adblocker",
  "version": "1.0",
  "description": "Port of popular chrome extension \"Adjaranet Adblocker\"",
  "homepage_url": "https://github.com/mdn/webextensions-examples/tree/master/beastify",
  "icons": {
    "128": "./icon.png"
  },
  "permissions": [
    "http://*/*",
    "https://*/*",
    "webRequestBlocking",
    "webRequest"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  }
}