Examine source code of ABYSS BiteFight

{
  "manifest_version": 3,
  "name": "ABYSS BiteFight",
  "version": "1.0.28",
  "description": "A powerful simulation system to improve strategy, unlock units and access advanced features.",
  "browser_specific_settings": {
    "gecko": {
      "id": "abyss@bfabyss.com",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "storage",
    "scripting"
  ],
  "host_permissions": [
    "*://*.bitefight.gameforge.com/*",
    "https://bfabyss.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.bitefight.gameforge.com/*"
      ],
      "js": [
        "injector.js"
      ],
      "run_at": "document_end"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "index.html"
      ],
      "matches": [
        "*://*.bitefight.gameforge.com/*"
      ]
    }
  ],
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "action": {
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  }
}