Examine source code of SuperTibia

{
  "manifest_version": 2,
  "name": "SuperTibia",
  "description": "Enhances tibia.com character pages with detailed stats, experience history, and trade data.",
  "version": "1.4.0",
  "icons": {
    "16": "images/current_16.png",
    "32": "images/current_32.png",
    "48": "images/current_48.png",
    "128": "images/current_128.png"
  },
  "permissions": [
    "storage",
    "identity",
    "https://www.tibia.com/*",
    "https://plugin.ondly.com/*"
  ],
  "web_accessible_resources": [
    "images/bosses/*.gif"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "supertibia@ondly.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "authenticationInfo",
          "personallyIdentifyingInfo",
          "browsingActivity",
          "websiteContent"
        ]
      }
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "SuperTibia",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.tibia.com/*"
      ],
      "run_at": "document_idle",
      "js": [
        "content-scripts/tibia.js"
      ]
    }
  ]
}