Examine source code of Better <code> blocks

{
  "manifest_version": 2,
  "name": "Better <code> blocks",
  "description": "Improves <code> blocks",
  "version": "1.0",
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "script.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "permissions": [
    "clipboardWrite"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{198ee84a-7463-49a8-85a8-21a1b001e03c}"
    }
  }
}