[Gallery] Bring in Fortnightly banner (#317)

gallery/lib/l10n/gallery_localizations.dart

@@ -3475,7 +3475,7 @@ class GalleryLocalizations {
   }
 
   String get fortnightlyDescription {
-    return Intl.message('A news app',
+    return Intl.message('A content-focused news app',
         locale: _localeName,
         name: 'fortnightlyDescription',
         desc: r'Study description for Fortnightly.');

gallery/lib/l10n/intl_en_US.arb

@@ -123,7 +123,7 @@
   "@shrineDescription": {
     "description": "Study description for Shrine."
   },
-  "fortnightlyDescription": "A news app",
+  "fortnightlyDescription": "A content-focused news app",
   "@fortnightlyDescription": {
     "description": "Study description for Fortnightly."
   },

gallery/lib/l10n/intl_en_US.xml

@@ -116,7 +116,7 @@
   <string
     name="fortnightlyDescription"
     description="Study description for Fortnightly."
-    >A news app</string>
+    >A content-focused news app</string>
   <string
     name="rallyDescription"
     description="Study description for Rally."

gallery/lib/l10n/messages_en_US.dart

@@ -899,7 +899,7 @@ class MessageLookup extends MessageLookupByLibrary {
         "dialogShow": MessageLookupByLibrary.simpleMessage("SHOW DIALOG"),
         "dismiss": MessageLookupByLibrary.simpleMessage("DISMISS"),
         "fortnightlyDescription":
-            MessageLookupByLibrary.simpleMessage("A news app"),
+            MessageLookupByLibrary.simpleMessage("A content-focused news app"),
         "fortnightlyHeadlineArmy": MessageLookupByLibrary.simpleMessage(
             "Reforming The Green Army From Within"),
         "fortnightlyHeadlineBees": MessageLookupByLibrary.simpleMessage(