To allow component(in huly project) could have multiple sub components to simplify and adhere to standards like C4

Usually while architecting products often there will be containers that will have multiple components according to [C4 glossary](https://c4model.com) . So it would help if same is followed in huly in terms of allowing to create services under components for clear distinction and easy management.

No files, tests, or entry points are named. Start by reviewing the issue and its C4 glossary link, then locate how Huly currently represents and creates components. Done means components can contain multiple services or subcomponents with a clear distinction and manageable hierarchy.

Written by the indexing model from the issue text.