Examine source code of Forkbat

{
  "manifest_version": 2,
  "name": "Forkbat",
  "version": "7.4.7",
  "description": "Tools for NFBC, including lineup indicators and draft projections. Requires a Forkbat subscription.",
  "browser_specific_settings": {
    "gecko": {
      "id": "{c2d567b1-216a-4dd8-b221-ef2df9acc601}"
    },
    "gecko_android": {
      "strict_min_version": "113.0"
    }
  },
  "icons": {
    "16": "icons/fork-16.png",
    "32": "icons/fork-32.png",
    "48": "icons/fork-48.png",
    "128": "icons/fork-128.png"
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/fork-16.png",
      "32": "icons/fork-32.png",
      "48": "icons/fork-48.png",
      "128": "icons/fork-128.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "storage",
    "cookies",
    "https://api.forkbat.com/*",
    "https://forkbat.com/*",
    "https://nfc.shgn.com/*",
    "https://draft.shgn.com/*",
    "https://razzball.com/*"
  ],
  "web_accessible_resources": [
    "icons/fork-128.png"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://nfc.shgn.com/setlineup*",
        "https://draft.shgn.com/nfc/dp/*"
      ],
      "js": [
        "banner.js"
      ],
      "run_at": "document_end"
    },
    {
      "matches": [
        "https://nfc.shgn.com/*"
      ],
      "js": [
        "utils.js",
        "lineup-slots.js",
        "team-search.js",
        "projections.js"
      ],
      "css": [
        "css/style.css"
      ],
      "run_at": "document_end"
    },
    {
      "matches": [
        "https://draft.shgn.com/*"
      ],
      "js": [
        "draft-projections.js"
      ],
      "run_at": "document_end"
    }
  ]
}