Examine source code of Multi Point

{
  "manifest_version": 2,
  "name": "Multi Point",
  "description": "Расширение для учёта операций и печати чеков в ПВЗ. Позволяет загружать форму \"Исполнение\" операций Multi Point в личных кабинетах поставщиков.",
  "author": "Цыганенко М. В.",
  "version": "1.5.2",
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "64": "icons/icon-64.png",
    "128": "icons/icon-128.png"
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "icons/icon-128.png"
  },
  "web_accessible_resources": [
    "icons/*.svg"
  ],
  "permissions": [
    "*://operator.multi-point.net/*",
    "*://operator.multi-point.org/*"
  ],
  "background": {
    "scripts": [
      "js/background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "exclude_matches": [
        "*://operator.multi-point.net/*",
        "*://operator.multi-point.org/*"
      ],
      "js": [
        "js/postmessage.js",
        "js/content.js"
      ],
      "css": [
        "css/stylesheet.css"
      ],
      "run_at": "document_end"
    }
  ],
  "options_ui": {
    "page": "options.html",
    "browser_style": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f778f610-b31f-4118-8e1f-9cec36e144a4}"
    }
  }
}