little fixes for moveTo example and with event return data

front/src/Api/Events/MovePlayerToEventAnswer.ts

@@ -0,0 +1,11 @@
+import * as tg from "generic-type-guard";
+
+export const isMovePlayerToEventAnswer = new tg.IsInterface()
+    .withProperties({
+        x: tg.isNumber,
+        y: tg.isNumber,
+        cancelled: tg.isBoolean,
+    })
+    .get();
+
+export type MovePlayerToEventAnswer = tg.GuardedType<typeof isMovePlayerToEventAnswer>;