Examine source code of trump2kc

{
  "manifest_version": 2,
  "name": "trump2kc",
  "version": "1.2resigned1",
  "description": "Makes Trump references more palatable by replacing them with 'King Cheeto' (forked from https://github.com/nishanthvijayan/Drumpfinator)",
  "icons": {
    "48": "icons/king-cheeto-48.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.com/*"
      ],
      "js": [
        "king-cheeto.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{2111d69d-dbd9-4df8-9ce9-82f3168dcf68}"
    }
  }
}