Fast new tabs (for Vivaldi)

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Fast new tabs (for Vivaldi)",
  "version": "0.2.1",
  "description": "Keeps a spare blank tab open to switch to in case a new tab needed",
  "permissions": [
    "tabs",
    "windows",
    "activeTab"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "commands": {
    "switch-to-new-tab": {
      "suggested_key": {
        "default": "Ctrl+Shift+5",
        "mac": "Command+Shift+5"
      },
      "description": "Creates new tab or switches to an existing blank page"
    }
  },
  "manifest_version": 2
}