Examine source code of OwO

{
  "manifest_version": 2,
  "name": "OwO",
  "version": "1.3",
  "description": "Why.",
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "owo.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{97d9fc25-3c4e-4d1c-b4b5-5bdcae8a4834}"
    }
  }
}