Examine source code of PlayShiki App

{
  "manifest_version": 2,
  "name": "PlayShiki App",
  "description": "Расширение возвращает функционал просмотра аниме на сайте shikimori.one (shikimori.org)",
  "homepage_url": "https://github.com/PlayShikiApp/PlayShikiApp",
  "version": "1.6.2",
  "browser_specific_settings": {
    "gecko": {
      "id": "{9c3bce87-c930-47ef-a559-ffe702420123}",
      "strict_min_version": "55.0"
    }
  },
  "icons": {
    "64": "logo.png"
  },
  "permissions": [
    "storage",
    "tabs",
    "<all_urls>",
    "*://shikimori.one/*",
    "*://shikimori.org/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://shikimori.org/*",
        "*://shikimori.one/*"
      ],
      "js": [
        "jquery-3.4.1.min.js",
        "content/shikimori/js/main.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "*://myanimelist.net/anime/*"
      ],
      "js": [
        "jquery-3.4.1.min.js",
        "content/myanimelist/js/main.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "*://video.sibnet.ru/shell.php*"
      ],
      "js": [
        "content/sibnet/js/main.js"
      ],
      "run_at": "document_idle",
      "all_frames": true
    }
  ],
  "commands": {
    "capture": {
      "suggested_key": {
        "default": "Alt+I"
      },
      "description": "Save a screenshot"
    }
  },
  "background": {
    "page": "index.html"
  },
  "browser_action": {
    "default_title": "PlayShiki App"
  },
  "web_accessible_resources": [
    "content/shikimori/js/*.*",
    "content/myanimelist/js/*.*",
    "content/myanimelist/css/*.*",
    "content/sibnet/js/*.*",
    "static/js/*.*",
    "static/css/*.*",
    "static/assets/*.*",
    "static/img/*.*",
    "*.*",
    "players/videojs/*.*",
    "players/videojs/css/*.*",
    "players/videojs/js/*.*",
    "players/anilibria/*.*",
    "players/anilibria/img/*.*",
    "players/anilibria/css/*.*",
    "players/anilibria/js/*.*",
    "https://raw.github.com/",
    "https://mozilla.github.io",
    "https://shikimori.one",
    "https://shikimori.org",
    "https://video.sibnet.ru"
  ]
}