[AB-xxx] adding hint for the snooze command to the reminder embed

abstracto-modules/remind/src/main/resources/default/commands/remind/remind_reminder_embed.ftl

@@ -23,7 +23,11 @@
                     "value": "[<@safe_include "remind_reminder_link_content_display_text"/>](${messageUrl})"
                 }
                 </#if>
-            ]
+            ]<#if !reminderDisplay.userCommand>,
+            "footer": {
+                "text": "<@safe_include "remind_reminder_snooze_hint"/>"
+            }
+            </#if>
         }
     ]
 <#if !reminderDisplay.userCommand>,

translations/remind/src/main/resources/default/commands/remind/remind_reminder_snooze_hint.ftl

@@ -0,0 +1 @@
+In case you want to be reminded at a different time, you can set a new duration using the snooze command.