Examine source code of Akichan link

{
  "manifest_version": 3,
  "version": "1.8.0",
  "name": "Akichan link",
  "description": "Adds links to the Akichan.moe website.",
  "author": "Haikner",
  "permissions": [],
  "web_accessible_resources": [
    {
      "resources": [
        "akichan-ikonka-32.png"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "content_scripts": [
    {
      "matches": [
        "https://www.mangaupdates.com/*"
      ],
      "js": [
        "main.js",
        "mup.js"
      ],
      "css": [
        "default.css"
      ]
    },
    {
      "matches": [
        "https://myanimelist.net/anime/*",
        "https://myanimelist.net/manga/*",
        "https://myanimelist.net/character/*",
        "https://myanimelist.net/people/*"
      ],
      "js": [
        "main.js",
        "mal.js"
      ],
      "css": [
        "default.css"
      ]
    },
    {
      "matches": [
        "https://anidb.net/anime/*",
        "https://anidb.net/character/*",
        "https://anidb.net/group/*",
        "https://anidb.net/creator/*",
        "https://anidb.net/collection/*",
        "https://anidb.net/perl-bin/animedb.pl?show=*"
      ],
      "js": [
        "main.js",
        "anidb.js"
      ],
      "css": [
        "anidb.css"
      ]
    },
    {
      "matches": [
        "https://www.animenewsnetwork.com/encyclopedia/anime.php*",
        "https://www.animenewsnetwork.com/encyclopedia/manga.php*"
      ],
      "js": [
        "main.js",
        "ann.js"
      ],
      "css": [
        "ann.css"
      ]
    },
    {
      "matches": [
        "https://vndb.org/v*",
        "https://vndb.org/c*",
        "https://vndb.org/p*",
        "https://vndb.org/s*"
      ],
      "js": [
        "main.js",
        "vndb.js"
      ],
      "css": [
        "default.css"
      ]
    },
    {
      "matches": [
        "https://www.animecharactersdatabase.com/characters.php*"
      ],
      "js": [
        "main.js",
        "acdb.js"
      ],
      "css": [
        "acdb.css"
      ]
    },
    {
      "matches": [
        "https://anilist.co/*"
      ],
      "js": [
        "main.js",
        "anilist.js"
      ],
      "css": [
        "anilist.css"
      ]
    },
    {
      "matches": [
        "https://mangadex.org/*"
      ],
      "js": [
        "main.js",
        "mdex.js"
      ],
      "css": [
        "mdex.css"
      ]
    },
    {
      "matches": [
        "https://www.netflix.com/*"
      ],
      "js": [
        "main.js",
        "netflix.js"
      ],
      "css": [
        "default.css"
      ]
    },
    {
      "matches": [
        "https://www.mobygames.com/*"
      ],
      "js": [
        "main.js",
        "moby.js"
      ],
      "css": [
        "moby.css"
      ]
    },
    {
      "matches": [
        "https://www.crunchyroll.com/*"
      ],
      "js": [
        "main.js",
        "crunchyroll.js"
      ],
      "css": [
        "crunchyroll.css"
      ]
    },
    {
      "matches": [
        "https://www.anime-planet.com/anime/*",
        "https://www.anime-planet.com/manga/*",
        "https://www.anime-planet.com/characters/*"
      ],
      "js": [
        "main.js",
        "aplanet.js"
      ],
      "css": [
        "aplanet.css"
      ]
    },
    {
      "matches": [
        "https://kitsu.io/anime/*",
        "https://kitsu.io/manga/*"
      ],
      "js": [
        "main.js",
        "kitsu.js"
      ],
      "css": [
        "kitsu.css"
      ]
    },
    {
      "matches": [
        "https://hns.sk/anime/*"
      ],
      "js": [
        "main.js",
        "hns.js"
      ],
      "css": [
        "default.css"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{f3ef714d-7cf0-4712-bdec-f1cd91189780}"
    }
  }
}