Examine source code of Simple Init Tab

{
  "manifest_version": 3,
  "default_locale": "en",
  "name": "__MSG_appName__",
  "version": "0.13.4",
  "description": "__MSG_appDescription__",
  "host_permissions": [
    "https://simple-init-tab.sergioalarconfelipe.com/api/*"
  ],
  "permissions": [
    "storage",
    "alarms",
    "notifications"
  ],
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "action": {
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "background": {
    "scripts": [
      "background/pomodoro-worker.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "simple-init-tab@sergioalarconfelipe.com",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "personallyIdentifyingInfo"
        ]
      }
    }
  }
}