Examine source code of ADON PROXY HELPER

{
  "manifest_version": 2,
  "name": "ADON-PROXY-HELPER",
  "version": "2.0.1",
  "description": "ADON-PROXY-HELPER allows you set ip proxy information. http, https, socks4 and socks5 proxies are supported.",
  "browser_specific_settings": {
    "gecko": {
      "id": "adon-proxy-helper@adonmediagroup.io",
      "strict_min_version": "91.1.0"
    }
  },
  "browser_action": {
    "default_icon": "icons/32.png",
    "default_popup": "page/popup.html"
  },
  "permissions": [
    "proxy",
    "storage",
    "webRequest",
    "webRequestBlocking",
    "<all_urls>",
    "clipboardRead",
    "tabs",
    "activeTab"
  ],
  "icons": {
    "16": "icons/16.png",
    "32": "icons/32.png",
    "48": "icons/48.png",
    "96": "icons/96.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "page/popup.html"
  ]
}