Examine source code of Hide My IP Free

{
  "name": "Hide My IP",
  "description": "Hide Your IP Address for Free!",
  "version": "2.9.1",
  "manifest_version": 3,
  "permissions": [
    "storage",
    "alarms",
    "proxy",
    "webRequest",
    "webRequestBlocking",
    "privacy"
  ],
  "host_permissions": [
    "https://apix.hide-my-ip.com/*",
    "https://location-list.wendysgolang.workers.dev/*",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "spoof-main.js"
      ],
      "run_at": "document_start",
      "all_frames": true,
      "match_about_blank": true,
      "world": "MAIN"
    },
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "spoof-bridge.js"
      ],
      "run_at": "document_start",
      "all_frames": true,
      "match_about_blank": true
    }
  ],
  "action": {
    "default_icon": {
      "19": "img/disabled.png"
    },
    "default_popup": "popup.html",
    "default_title": "Hide My IP"
  },
  "icons": {
    "16": "img/icon16.png",
    "32": "img/icon32.png",
    "48": "img/icon.png",
    "128": "img/icon128.png"
  },
  "default_locale": "en",
  "browser_specific_settings": {
    "gecko": {
      "id": "admin@myprivacytools.com",
      "strict_min_version": "128.0"
    }
  }
}