added more information to memory sheet

lib/locale/l10n/app_de.arb

@@ -58,5 +58,6 @@
   "emptyScreenTitle": "Houston, wir haben ein Problem",
   "emptyScreenSubtitle": "Der Benutzer hat noch keine Erinnerungen erstellt!",
   "emptyScreenDescription": "Um deinen Zeitstrahl sehen zu können musst du zuerst ein paar Erinnerungen erstellen! :)",
-  "emptyScreenCreateMemory": "Erinnerung erstellen"
+  "emptyScreenCreateMemory": "Erinnerung erstellen",
+  "memorySheetCreatedAtDataKey": "Erstellt am: {creationTimeFormatted}"
 }

lib/locale/l10n/app_en.arb

@@ -53,6 +53,16 @@
   "memorySheetUpdateMemoryMakePublic": "Make Public",
   "memorySheetUpdateMemoryMakePrivate": "Make Private",
   "memorySheetDeleteMemory": "Delete Memory",
+  "memorySheetCreatedAtDataKey": "Created at: {creationTimeFormatted}",
+  "@memorySheetCreatedAtDataKey": {
+    "description": "Formatted date when the memory was created",
+    "placeholders": {
+      "creationTimeFormatted": {
+        "type": "String",
+        "example": "8am"
+      }
+    }
+  },
 
 
   "emptyScreenTitle": "Houston, we have a problem",

lib/screens/timeline_screen/memory_sheet.dart

@@ -3,6 +3,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 import 'package:flutter_platform_widgets/flutter_platform_widgets.dart';
 import 'package:gallery_saver/gallery_saver.dart';
+import 'package:intl/intl.dart';
 import 'package:quid_faciam_hodie/constants/spacing.dart';
 import 'package:quid_faciam_hodie/enums.dart';
 import 'package:quid_faciam_hodie/extensions/snackbar.dart';
@@ -185,6 +186,19 @@ class _MemorySheetState extends State<MemorySheet> with Loadable {
                 ? buildLoadingIndicator()
                 : null,
           ),
+          const SizedBox(height: MEDIUM_SPACE),
+          Text(
+            localizations.memorySheetCreatedAtDataKey(DateFormat.jms().format(
+              widget.memory.creationDate,
+            )),
+            style: getBodyTextTextStyle(context),
+          ),
+          const SizedBox(height: SMALL_SPACE),
+          Text(
+            widget.memory.id,
+            textAlign: TextAlign.center,
+            style: getBodyTextTextStyle(context),
+          )
         ],
       ),
     );