Examine source code of x viewer

{
  "manifest_version": 3,
  "name": "OG-E",
  "version": "2.4.0",
  "description": "UI helper for OGame: easier expeditions, finding big colonies, fleet-landing phone reminders. Requires AntiGameReborn. Unofficial.",
  "browser_specific_settings": {
    "gecko": {
      "id": "{72a2a8c3-53b5-4c75-aa0a-b985044e031c}",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "*://*.ogame.gameforge.com/*",
    "https://api.github.com/*",
    "https://ntfy.sh/*"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "dashboard.html",
        "dashboard.js",
        "icons/*.png"
      ],
      "matches": [
        "*://*.ogame.gameforge.com/*"
      ]
    }
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.ogame.gameforge.com/game/index.php*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start",
      "all_frames": false
    },
    {
      "matches": [
        "*://*.ogame.gameforge.com/game/index.php*"
      ],
      "js": [
        "page.js"
      ],
      "run_at": "document_idle",
      "world": "MAIN"
    }
  ]
}