TO MERGE : Contact page from Admin or Environment Variable (#1401)

* Contact page from Admin or Environment Variable

* Get contact page from admin by pusher

* Changes requested

* Modify contactPageStore management

* documentation environment variables

Co-authored-by: Gregoire Parant <g.parant@thecodingmachine.com>

pusher/src/Controller/MapController.ts

@@ -62,6 +62,7 @@ export class MapController extends BaseController {
                         roomSlug: "", // Deprecated
                         tags: [],
                         textures: [],
+                        contactPage: undefined,
                     } as MapDetailsData)
                 );