Examine source code of Sdvx Quick Launch

{
  "manifest_version": 2,
  "name": "Sdvx Quick Launch",
  "version": "1.1",
  "description": "Quickly launch your Sound Voltex launcher and close the tab without clicking in browser yourself",
  "icons": {
    "48": "icons/icon-48.jpg"
  },
  "content_scripts": [
    {
      "matches": [
        "https://p.eagate.573.jp/game/konasteapp/API/login/login.html?game_id=sdvx*"
      ],
      "js": [
        "script.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{154b73c7-bbf3-4911-bac1-ce17d19ad12e}"
    }
  }
}