Examine source code of Universal Bypassed

{
  "manifest_version": 2,
  "icons": {
    "48": "icon/48.png",
    "128": "icon/128.png",
    "150": "icon/150.png",
    "176": "icon/176.png",
    "512": "icon/512.png"
  },
  "default_locale": "en",
  "name": "Universal Bypassed",
  "description": "__MSG_appDesc__",
  "homepage_url": "https://universal-bypass.org/",
  "version": "13.15.2.1",
  "author": "Sainan",
  "permissions": [
    "alarms",
    "storage",
    "webRequest",
    "webRequestBlocking",
    "<all_urls>"
  ],
  "options_ui": {
    "page": "html/options.html",
    "open_in_tab": true
  },
  "browser_action": {
    "default_icon": {
      "48": "icon/48.png",
      "128": "icon/128.png",
      "150": "icon/150.png",
      "176": "icon/176.png",
      "512": "icon/512.png"
    },
    "default_popup": "html/popup.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content_script.js"
      ],
      "run_at": "document_start"
    }
  ],
  "web_accessible_resources": [
    "html/before-navigate.html",
    "html/blocked.html",
    "html/crowd-bypassed.html",
    "html/firstrun.html",
    "html/firstrun-noscript.html",
    "html/options.html",
    "icon/48.png"
  ]
}