Allow opening window in a secondary window

imports/NeoChat/Menu/RoomListContextMenu.qml

@@ -6,6 +6,7 @@
  */
 import QtQuick 2.12
 import QtQuick.Controls 2.12
+import NeoChat.Page 1.0
 
 /**
  * Context menu when clicking on a room in the room list
@@ -45,5 +46,12 @@ Menu {
         onTriggered: room.forget()
     }
 
+    MenuSeparator {}
+
+    MenuItem {
+        text: i18n("Open in new window")
+        onTriggered: roomManager.openWindow(room);
+    }
+
     onClosed: destroy()
 }