issue #96: new structure: split the code in Core and App

Signed-off-by: horea <horea@rospace.com>

Author: Howriq

docs/book/v6/extended-features/core-and-app.md

@@ -5,7 +5,7 @@ In the 6.0 version, the project is split into two main parts: **App** and **Core
 When you start a new project, there are chances that the requirements are not defined well.
 Because of that, your platform needs to be flexible and allow growth in the long term.
 
-Our purpose is to reach a headless CMS architecture for easier scalability.
+Our purpose is to reach a Headless CMS architecture for easier scalability.
 Headless CMS is a backend-only content management system that acts primarily as a content repository.
 Compared to traditional CMS platforms (e.g WordPress) that tightly couple the front end and back end, a headless CMS decouples the content management from the presentation layer.
 The content is delivered through APIs allowing any frontend to fetch and display it, which also enables working in parallel on the backend and potentially multiple frontends.