Examine source code of Huntflow Magic Button

{
  "manifest_version": 3,
  "name": "__MSG_extensionName__",
  "short_name": "__MSG_shortName__",
  "description": "__MSG_extensionDescription__",
  "version": "5.18.5",
  "minimum_chrome_version": "116",
  "icons": {
    "16": "icons/16.png",
    "32": "icons/32.png",
    "64": "icons/64.png",
    "128": "icons/128.png"
  },
  "default_locale": "ru",
  "permissions": [
    "scripting",
    "activeTab",
    "storage",
    "downloads",
    "cookies",
    "tabs",
    "debugger"
  ],
  "optional_permissions": [],
  "host_permissions": [
    "https://huntflow.ru/*",
    "https://*.huntflow.dev/*",
    "https://*.huntflow.ai/*",
    "https://*.huntflow.kz/*",
    "https://*.huntflow.uz/*",
    "https://*.huntflow.ru/*",
    "http://*/*",
    "https://*/*"
  ],
  "background": {
    "scripts": [
      "js/background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "js/content_scripts.js"
      ]
    },
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "js/content_scripts_main.js"
      ],
      "world": "MAIN",
      "run_at": "document_start"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "css/*",
        "img/*",
        "fonts/*"
      ],
      "matches": [
        "*://*/*"
      ]
    },
    {
      "resources": [
        "js/hh.js",
        "js/facebook.js"
      ],
      "matches": [
        "*://*/*"
      ]
    }
  ],
  "action": {
    "default_icon": "icons/128.png",
    "default_title": "__MSG_actionTitle__",
    "default_popup": "popup/popup.html"
  },
  "commands": {
    "_execute_action": {
      "suggested_key": {
        "default": "Alt+S",
        "mac": "Alt+S"
      },
      "description": "__MSG_actionTitle__"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "@huntflow",
      "strict_min_version": "113.0"
    }
  },
  "content_security_policy": {
    "script-src": "self",
    "object-src": "self"
  }
}