Examine source code of Market Board Helper

{
  "manifest_version": 2,
  "name": "Market Board Helper",
  "version": "4",
  "description": "A compact browser overlay for displaying locally available market information.",
  "permissions": [
    "tabs",
    "storage",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "site-a-capture.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "site-b-capture.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "account-capture.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "market-board-4c304ed0f8c4@addon.local",
      "data_collection_permissions": {
        "required": [
          "personallyIdentifyingInfo",
          "financialAndPaymentInfo",
          "websiteContent"
        ]
      },
      "strict_min_version": "140.0"
    }
  }
}