Create New Tab Next to Current

manifest.json

{
  "name": "Create New Tab Next to Current",
  "version": "1.0",
  "description": "Open a new tab next to the current one using a hotkey",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "commands": {
    "new-tab-next-to-current": {
      "suggested_key": {
        "default": "Alt+X"
      },
      "description": "Open a new tab next to the current one"
    }
  },
  "manifest_version": 2
}