Examine source code of Shikiplayer Fixed

{
  "manifest_version": 2,
  "name": "Shikiplayer",
  "description": "__MSG_extensionDescription__",
  "default_locale": "en",
  "icons": {
    "128": "./assets/icons/icon128.png"
  },
  "author": "Kaneko Qt",
  "homepage_url": "https://github.com/qt-kaneko/Shikiplayer",
  "version": "5.4.3",
  "browser_specific_settings": {
    "gecko": {
      "id": "{ebd90edc-897a-45bd-ba8b-7f9240a3a7cc}",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "*://kodik-api.com/*",
    "*://raw.githubusercontent.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://shikimori.me/*",
        "*://shikimori.one/*",
        "*://shikimori.io/*",
        "*://shiki.one/*",
        "*://kodik.info/*"
      ],
      "all_frames": true,
      "js": [
        "Shikiplayer.js"
      ],
      "run_at": "document_end"
    }
  ]
}