Examine source code of VA Claim Status Viewer

{
  "manifest_version": 3,
  "name": "VA Claim Status Viewer",
  "version": "1.1.0",
  "description": "View your VA disability claim status details from api.va.gov in an easy-to-read format. Not affiliated with VA.gov.",
  "browser_specific_settings": {
    "gecko": {
      "id": "va-claim-status-viewer@firefox-addon",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "webRequest",
    "tabs",
    "activeTab"
  ],
  "host_permissions": [
    "*://api.va.gov/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "48": "icons/icon-48.png",
      "96": "icons/icon-96.png"
    }
  },
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  }
}