Examine source code of ESPN BetterDraft

{
  "name": "ESPN BetterDraft",
  "description": "Add custom rankings to ESPN Fantasy Football drafts",
  "manifest_version": 3,
  "content_scripts": [
    {
      "js": [
        "content.js"
      ],
      "matches": [
        "https://fantasy.espn.com/football/draft*"
      ]
    }
  ],
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "https://lm-api-reads.fantasy.espn.com/*"
  ],
  "version": "1.1",
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self';"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{631d45c9-5809-4d6b-a493-c09ccdfdde8b}",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}