docs: project directory structure

Author: Xiphereal

Desktop/TODO.md

@@ -1,5 +1,4 @@
-- docs: project directory structure: vertical slicing vs by tech.
-- docs: the focus on UX with the accelerators/shortcuts.
+- docs: the focus on UX with the accelerators/shortcuts.
 - docs: when and why use comments & summaries.
 - refactor: use Commands and ViewModels instead of code behinds.
 - feat: allow for saving Tasks both locally and remotely at the same time

README.md

@@ -27,6 +27,10 @@ Actors definition:
 
 There is a single one, for Windows desktop. It's called `Desktop`, and is implemented in [Windows Presentation Foundation (WPF)](https://learn.microsoft.com/en-us/dotnet/desktop/wpf/overview/). 
 
+### Folder structure
+
+Rather than using a technological layering, I prefer a folder structure that reflects the domain. This is to both to create a better mental model and for having more cohesion inside folders and less coupling between them. 
+
 ## Backend
 
 In ASP.NET Core, using EntityFramework ORM for handling the persistence.