Examine source code of anilist-enhancer

{
  "version": "0.3.1",
  "manifest_version": 2,
  "name": "anilist-enhancer",
  "description": "A firefox extension that adds additional information to an anilist.co page",
  "homepage_url": "https://gitlab.namibsun.net:/namibsun/anilist-enhancer",
  "icons": {
    "48": "resources/logo/logo-48.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://anilist.co/*"
      ],
      "js": [
        "src/anilist-enhancer.js"
      ]
    }
  ],
  "permissions": [
    "*://graphql.anilist.co/*",
    "*://otaku-info.eu/api/*"
  ]
}