Examine source code of Flock Fantasy Draft Overlay

{
  "manifest_version": 3,
  "name": "Flock Fantasy Draft Overlay",
  "version": "2.9.0",
  "description": "Draft overlay for Underdog and DraftKings best ball drafts — live rankings, ADP insights, and draft grades.",
  "permissions": [
    "storage",
    "activeTab",
    "scripting",
    "identity"
  ],
  "host_permissions": [
    "https://*.underdogsports.com/*",
    "https://*.underdogfantasy.com/*",
    "https://*.draftkings.com/*",
    "https://api.underdogfantasy.com/*",
    "https://*.flockfantasy.com/*"
  ],
  "background": {
    "scripts": [
      "service-worker-loader.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "js": [
        "assets/index.ts-loader-CXSXhJcj.js"
      ],
      "matches": [
        "https://*.underdogsports.com/*",
        "https://*.underdogfantasy.com/*",
        "https://*.draftkings.com/*",
        "https://flockfantasy.com/*",
        "https://*.flockfantasy.com/*",
        "http://localhost/*"
      ],
      "run_at": "document_start"
    }
  ],
  "action": {
    "default_popup": "src/popup/index.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "icons": {
    "16": "icons/icon-16.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "web_accessible_resources": [
    {
      "matches": [
        "https://*.draftkings.com/*",
        "https://*.underdogfantasy.com/*",
        "https://*.underdogsports.com/*"
      ],
      "resources": [
        "intercept.js"
      ]
    },
    {
      "matches": [
        "http://localhost/*",
        "https://*.draftkings.com/*",
        "https://*.flockfantasy.com/*",
        "https://*.underdogfantasy.com/*",
        "https://*.underdogsports.com/*",
        "https://flockfantasy.com/*"
      ],
      "resources": [
        "assets/icons-BhVc12dE.js",
        "assets/syncStorage-1AstV8sr.js",
        "assets/index.ts-DIChuECc.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "draft-overlay@flockfantasy.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "authenticationInfo",
          "personallyIdentifyingInfo",
          "websiteActivity",
          "websiteContent"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}