docs: update readme with some barebones network info

README.md

@@ -2,6 +2,16 @@
 
 Currently WIP
 
+# Architecture
+## Game logic
+Game logic is handled through board and game-master structs. It's self-contained
+
+## Network
+This project has network server and client written with tokio. 
+
+## Example clients
+In `src/bin/client.rs` there is an example client in cli. It works for now, but in the end there will be also a gui client. Anyone can write their own clients, due to the way it's written, tho.
+
 # Thoughts
 Server is self-contained, so frontend can be written in:
 - ratatui?