Convert Atlas to infinite lazy growth

The atlas will now expand as needed for any query, but only initialise the chunk tile memory when requested

	While this may still be a pre-mature optimisation, it does simplify some code and ensures that our memory footprint stays small, for the most part

cmd/rove-server/internal/server.go

@@ -83,6 +83,7 @@ func NewServer(opts ...ServerOption) *Server {
 		address:     "",
 		persistence: EphemeralData,
 		schedule:    cron.New(),
+		world:       game.NewWorld(16),
 	}
 
 	// Apply all options
@@ -90,9 +91,6 @@ func NewServer(opts ...ServerOption) *Server {
 		o(s)
 	}
 
-	// Start small, we can grow the world later
-	s.world = game.NewWorld(4, 8)
-
 	return s
 }
 
@@ -114,11 +112,6 @@ func (s *Server) Initialise(fillWorld bool) (err error) {
 	}
 	s.accountant = accounts.NewAccountantClient(s.clientConn)
 
-	// Spawn a border on the default world
-	if err := s.world.SpawnWorld(fillWorld); err != nil {
-		return err
-	}
-
 	// Load the world file
 	if err := s.LoadWorld(); err != nil {
 		return err