Examine source code of Dofuspourlesnoobs /travel

{
  "manifest_version": 2,
  "name": "dpln-travel",
  "version": "1.0.0",
  "description": "Adds a link on coordinates to get the /travel command in our clipboard",
  "icons": {
    "32": "icons/dpln-travel-32.png",
    "96": "icons/dpln-travel-96.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.dofuspourlesnoobs.com/*"
      ],
      "js": [
        "dpln-travel.js"
      ]
    }
  ],
  "permissions": [
    "clipboardWrite"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{b7acf141-8b63-4948-a722-de74745080aa}"
    }
  }
}