Examine source code of Crunchyroll Auto Skipper

{
  "manifest_version": 3,
  "name": "Crunchyroll Auto Skipper",
  "version": "0.0.8",
  "description": "Automatically skip recap, intro, and credits on Crunchyroll.",
  "homepage_url": "https://github.com/sudhir-asuracore/crunchyroll-auto-skipper",
  "icons": {
    "16": "icons/icon-16.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "*://*.crunchyroll.com/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "crunchy_auto_skip@asuracore.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.crunchyroll.com/*"
      ],
      "js": [
        "content/content.js"
      ]
    }
  ]
}