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

front/src/Connexion/Room.ts

@@ -0,0 +1,10 @@
+export class Room {
+    public ID: string;
+    public url: string
+    
+    constructor(ID: string, url: string) {
+        this.ID = ID;
+        this.url = url;
+    }
+    
+}