Examine source code of YGOrgDB GitHub enhancer

{
  "manifest_version": 2,
  "name": "YGOrgDB GitHub enhancer",
  "version": "1.0.1",
  "description": "Augments db-ygorganization-com repositories on GitHub",
  "icons": {
    "512": "huge.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://github.com/db-ygorganization-com/yugioh-faq-history/*"
      ],
      "js": [
        "enhancer-plugin.js"
      ]
    }
  ],
  "permissions": [
    "https://db.ygorganization.com/data/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{809d9266-5811-4ca3-88e3-ac4f9c2115d4}"
    }
  }
}