rewrote the authorisation flow: give more responsability to gameManager and less to gameScene

front/src/Connexion/LocalUserStore.ts

@@ -0,0 +1,16 @@
+import {LocalUser} from "./LocalUser";
+
+class LocalUserStore {
+    
+    saveUser(localUser: LocalUser) {
+        localStorage.setItem('localUser', JSON.stringify(localUser));
+    }
+    
+    getLocalUser(): LocalUser|null {
+        const data = localStorage.getItem('localUser');
+        return data ? JSON.parse(data) : null;
+    }
+     
+}
+
+export const localUserStore = new LocalUserStore();