Examine source code of Plain Copy (Automatic)

{
  "manifest_version": 2,
  "name": "Plain Copy (Automatic)",
  "version": "1.0.0",
  "description": "Tự động xóa định dạng khi copy từ web — chỉ giữ plain text.",
  "permissions": [],
  "icons": {
    "16": "icons/16.png",
    "32": "icons/32.png",
    "48": "icons/48.png",
    "96": "icons/96.png"
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "content_script.js"
      ],
      "run_at": "document_start"
    }
  ],
  "browser_action": {
    "default_title": "Plain Copy (auto)",
    "default_icon": "icons/32.png",
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2af45eae-8379-430f-b776-24c518ae60a3}"
    }
  }
}