Examine source code of Z3R0 Adblocker

{
  "name": "Z3R0",
  "version": "1.0.0.3",
  "manifest_version": 2,
  "description": "An simple adblocker.",
  "author": "Minecodes",
  "developer": {
    "name": "Minecodes",
    "url": "https://github.com/Minecodes"
  },
  "incognito": "not_allowed",
  "icons": {
    "32": "icons/32x32.png",
    "48": "icons/48x48.png",
    "128": "icons/128x128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "browser_action": {
    "default_icon": {
      "32": "icons/32x32.png",
      "48": "icons/48x48.png",
      "128": "icons/128x128.png"
    },
    "default_title": "Z3R0",
    "default_popup": "pages/popup.html"
  },
  "permissions": [
    "tabs",
    "storage",
    "webRequest",
    "webNavigation",
    "webRequestBlocking",
    "activeTab",
    "*://*/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "zero.dcbot@gmail.com",
      "strict_min_version": "88.0"
    }
  }
}