Include diagram in the README

README.md

@@ -20,6 +20,16 @@ All the builds from `master` and from pull requestes are generated from [Azure P
 
 OpenKH tools require the instllation of the [.NET Core 3.1 Runtime](https://dotnet.microsoft.com/download/dotnet-core/3.1/runtime). All the UI tools are designed to work on Windows, while command line tools will work on any operating system.
 
+## OpenKH in depth
+
+<p align="center">
+  <img src="./images/diagram.png" width="908">
+</p>
+
+From an architectural point of view, the code is structured to abstract low-level implementation such as file parsers and infrastructural logic to high-level functionalties such as 3D rendering or tools. The projects are layered to be able to share as much as code possible, but isolated in order to avoid coupling.
+
+From a community perspective, OpenKH will provide the best form of documentation, modding portal and fan-game support that is derived from it.
+
 ## Build from source code
 
 The minimum requirement is [.NET Core 3.1.x](https://dotnet.microsoft.com/download/dotnet-core/3.1). Once the repository is downloaded, `build.ps1` or `build.sh` needs be executed based from the operating system in use. That is all.