Examine source code of Standup Flow

{
  "manifest_version": 3,
  "name": "Standup Aid",
  "version": "0.2.0",
  "description": "Shuffle team members, show overlay timer, control order during standup.",
  "permissions": [
    "storage",
    "activeTab",
    "scripting"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "icons": {
    "48": "icons/standup.svg",
    "96": "icons/standup.svg",
    "128": "icons/icon-128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "service_worker": "background.js"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "overlay.css",
        "utils/*.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "action": {
    "default_title": "Standup Overlay",
    "default_icon": {
      "19": "icons/standup.svg",
      "38": "icons/standup.svg"
    }
  },
  "commands": {
    "toggle-overlay": {
      "suggested_key": {
        "default": "Alt+S"
      },
      "description": "Toggle standup overlay"
    }
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2f3b0c1e-6b3d-4d9b-9a83-9b0b6e2f8d0a}",
      "strict_min_version": "109.0"
    }
  }
}