Examine source code of GitHub SSO Auto-Continue

{
  "manifest_version": 3,
  "name": "GitHub SSO Auto-Continue",
  "version": "1.0",
  "description": "Automatically clicks the Continue button on GitHub Single Sign-On pages",
  "browser_specific_settings": {
    "gecko": {
      "id": "github-sso-auto-continue@nikitabobko",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "activeTab",
    "scripting",
    "storage"
  ],
  "host_permissions": [
    "*://github.com/*",
    "*://accounts.google.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://github.com/*",
        "*://accounts.google.com/v3/signin/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_end"
    }
  ]
}