Add the new screenshots

src/app/org.kde.itinerary.appdata.xml

@@ -365,6 +365,18 @@
       <caption xml:lang="x-test">xxTrain layout view highlighting the coach with a seat reservation.xx</caption>
       <image width="480" height="720" type="source">https://cdn.kde.org/screenshots/itinerary/kde-itinerary-vehicle-layout.png</image>
     </screenshot>
+    <screenshot>
+      <caption>Train station platform map, highlighting arrival and departure platforms.</caption>
+      <image width="480" height="720" type="source">https://cdn.kde.org/screenshots/itinerary/kde-itinerary-train-station-platform-map.png</image>
+    </screenshot>
+    <screenshot>
+      <caption>Train station map showing real-time availability of rental bikes.</caption>
+      <image width="480" height="720" type="source">https://cdn.kde.org/screenshots/itinerary/kde-itinerary-train-station-map-with-rental-bike-data.png</image>
+    </screenshot>
+    <screenshot>
+      <caption>Detailed information for the select entity on the train station map.</caption>
+      <image width="480" height="720" type="source">https://cdn.kde.org/screenshots/itinerary/kde-itinerary-train-station-map-details.png</image>
+    </screenshot>
     <screenshot>
       <caption>Travel statistics view.</caption>
       <caption xml:lang="ca">Vista de les estadístiques dels viatges.</caption>