Google Maps Route Optimizer

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Google Maps Route Optimizer",
  "description": "Assist in optimizing routes (based on time, not distance) with multiple destinations.",
  "version": "1.0.9",
  "author": "Alec Maly",
  "content_scripts": [
    {
      "matches": [
        "*://*.google.com/maps/*"
      ],
      "js": [
        "inject.js"
      ],
      "run_at": "document_end"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "payload.js"
      ],
      "matches": [
        "*://*.google.com/*"
      ]
    }
  ],
  "homepage_url": "https://maps.google.com/"
}