Update readme

README.md

@@ -21,6 +21,35 @@
 - Move timeout: 10s. Game is finished if timeout ocurrs.
 
 
+## Game States
+
+```plantuml
+hide empty description
+
+state "Start Game" as StartGame
+state "Move" as MovePlayer: Destination reached?
+state "Destination Reached" as DestinationReached
+state "Product Selection" as ProductSelection: Enable product selection for winning player
+state "Product Selected" as ProductSelected
+state "Selection Timeout" as SelectionTimeout
+state "End Player's Game" as EndPlayer
+state "Lock Game" as LockGame <<end>>
+state "End Game" as EndGame <<end>>
+state "Unlock game" as UnlockGame <<end>>
+
+[*] -> StartGame
+StartGame -> MovePlayer
+MovePlayer <-- MovePlayer: NO
+MovePlayer --> DestinationReached: YES
+DestinationReached --> ProductSelection
+DestinationReached -> LockGame: Lock game for all other players
+ProductSelection --> ProductSelected
+ProductSelection --> SelectionTimeout
+ProductSelected --> EndGame: End game\nfor all players
+SelectionTimeout -> EndPlayer
+EndPlayer --> UnlockGame: Unlock game\n for all players
+```
+
 ## FairHopper Game Server
 
 Requirements:
@@ -137,7 +166,7 @@ end
 - Move right
 - Move up
 - Move down
-- Get current position
+- Get player info
 - Get board info
 
 Check REST API interface on [FastAPI docs](http://localhost:8010/docs).