FEATURE: analytics client now scrape user email and room group

front/src/Connexion/Room.ts

@@ -21,6 +21,7 @@ export class Room {
     private instance: string | undefined;
     private readonly _search: URLSearchParams;
     private _contactPage: string | undefined;
+    private _group: string | null = null;
 
     private constructor(private roomUrl: URL) {
         this.id = roomUrl.pathname;
@@ -104,6 +105,7 @@ export class Room {
         console.log("Map ", this.id, " resolves to URL ", data.mapUrl);
         this._mapUrl = data.mapUrl;
         this._textures = data.textures;
+        this._group = data.group;
         this._authenticationMandatory = data.authenticationMandatory || false;
         this._iframeAuthentication = data.iframeAuthentication;
         this._contactPage = data.contactPage || CONTACT_URL;
@@ -185,4 +187,8 @@ export class Room {
     get contactPage(): string | undefined {
         return this._contactPage;
     }
+
+    get group(): string | null {
+        return this._group;
+    }
 }