Examine source code of Azure DevOps Tracker

{
  "manifest_version": 2,
  "name": "Azure DevOps Tracker",
  "options_ui": {
    "page": "options.html",
    "browser_style": true
  },
  "version": "1.85",
  "description": "Track your favourite Azure DevOps work items.",
  "short_name": "Azure DevOps Tracker",
  "permissions": [
    "<all_urls>",
    "activeTab",
    "storage",
    "tabs"
  ],
  "browser_action": {
    "default_title": "Track your work items",
    "default_popup": "tfs_tracker.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "128": "icons/icon128.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "azure-devops-tracker@mojiwa.com"
    }
  }
}