Examine source code of SimBrief Return Flight

{
  "manifest_version": 2,
  "name": "SimBrief Return Flight",
  "version": "1.0",
  "description": "Quickly create a return flight from your current SimBrief briefing",
  "permissions": [
    "activeTab",
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://dispatch.simbrief.com/briefing/latest*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "styles.css"
      ]
    },
    {
      "matches": [
        "https://dispatch.simbrief.com/options/new*"
      ],
      "js": [
        "populate.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{d3b07384-d9a1-4c3e-8a2f-0b9c1d2e3f4a}",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "websiteContent"
        ]
      }
    }
  }
}