v0.8.0 wasm client added, cli client and makefile updated

cmd/chess-client-cli/exit_native.go

@@ -0,0 +1,13 @@
+// FILE: lixenwraith/chess/cmd/chess-client-cli/exit_native.go
+//go:build !js && !wasm
+
+package main
+
+import (
+	"chess/internal/client/display"
+)
+
+func handleExit() (restart bool) {
+	display.Println(display.Cyan, "Goodbye!")
+	return false
+}