Examine source code of say it's racist

{
  "manifest_version": 2,
  "name": "say it's racist",
  "version": "1.0.2resigned1",
  "description": "quit saying things are \"racially charged\" when you mean \"racist\"",
  "icons": {
    "32": "icons/icon-32.png",
    "128": "icons/icon-128.png",
    "192": "icons/icon-192.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "say-its-racist.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{db983e70-5e24-4553-9c37-2ec492adde15}"
    }
  }
}