vcpkg-tool/LocProject.json

{ 
  "Projects": [
    {
      "LanguageSet": "VS_Main_Languages",
      "LocItems": [
        {
          "SourceFile": "locales/messages.json",
          "CopyOption": "LangIDOnName",
          "LclFile": "src/localization/{Lang}/messages.json.lcl",
          "OutputPath": "locales"
        }
      ]
    }
  ]
}