Documentation changes for new roadmap filters

Add epic and my reaction in the documentation

doc/user/group/roadmap/index.md

@@ -69,8 +69,10 @@ You can also filter epics in the Roadmap view by the epics':
 - Label
 - Milestone
 - Confidentiality
+- Epic
+- Your Reaction
 
-![roadmap date range in weeks](img/roadmap_filters_v13_8.png)
+![roadmap date range in weeks](img/roadmap_filters_v13_11.png)
 
 Roadmaps can also be [visualized inside an epic](../epics/index.md#roadmap-in-epics).
 

locale/gitlab.pot

@@ -15101,6 +15101,9 @@ msgstr ""
 msgid "GroupRoadmap|To widen your search, change or remove filters; from %{startDate} to %{endDate}."
 msgstr ""
 
+msgid "GroupRoadmap|Try adding a start or end date to your epics so that they will display in the roadmap."
+msgstr ""
+
 msgid "GroupSAML|Active SAML Group Links (%{count})"
 msgstr ""