FEATURE: clicking on another player show a contact card when possible

front/src/Stores/GameStore.ts

@@ -1,3 +1,5 @@
-import { derived, writable, Writable } from "svelte/store";
+import { writable } from "svelte/store";
 
 export const userMovingStore = writable(false);
+
+export const requestVisitCardsStore = writable<string|null>(null);