Examine source code of Auto Refresh

{
  "name": "__MSG_extensionName__",
  "version": "3.0.0",
  "manifest_version": 3,
  "default_locale": "en",
  "description": "__MSG_extensionDescription__",
  "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"
    },
    "default_title": "__MSG_extensionName__",
    "default_popup": "popup/index.html"
  },
  "background": {
    "scripts": [
      "background/background.js"
    ]
  },
  "permissions": [
    "tabs",
    "activeTab",
    "storage"
  ],
  "author": "SHUTDOWN",
  "homepage_url": "https://codeberg.org/shutdown/auto-refresh",
  "browser_specific_settings": {
    "gecko": {
      "id": "{dfa71ad2-559f-49da-a30a-ac3ae711da46}",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}