Examine source code of TLDR.chat

{
  "manifest_version": 3,
  "name": "TLDR.chat",
  "version": "0.1.0",
  "action": {
    "default_title": "TLDR.chat",
    "default_popup": "index.html",
    "default_icon": {
      "16": "public/icon16.png",
      "32": "public/icon32.png"
    }
  },
  "permissions": [
    "activeTab"
  ],
  "host_permissions": [
    "https://tldr.chat/*"
  ],
  "icons": {
    "16": "public/icon16.png",
    "32": "public/icon32.png",
    "48": "public/icon48.png",
    "128": "public/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "mozilla@tldr.chat",
      "strict_min_version": "109.0"
    }
  }
}