doc: update api md doc

Author: florianduros

packages/element-web-module-api/element-web-module-api.api.md

@@ -357,6 +357,7 @@ export interface RoomListStoreApi {
 
 // @alpha
 export interface RoomViewProps {
+    enableReadReceiptsAndMarkersOnActivity?: boolean;
     hideComposer?: boolean;
     hideHeader?: boolean;
     hidePinnedMessageBanner?: boolean;