feat: #139 添加天津地铁站台看板

CRSim.ScreenSimulator/ViewModels/TianjinMetro/PlatformScreenViewModel.cs

@@ -0,0 +1,13 @@
+using CRSim.Core.Services;
+namespace CRSim.ScreenSimulator.ViewModels.TianjinMetro
+{
+    public class PlatformScreenViewModel : MetroPlatformScreenViewModel
+    {
+        public PlatformScreenViewModel(ITimeService timeService, ISettingsService settingsService)
+            : base(timeService, settingsService)
+        {
+            Text = "海河明珠闪耀津门，古今交融绘就华章。五大道镌刻百年风华，滨海新区涌动创新浪潮。狗不理飘香，相声茶馆笑声扬。意式风情街浪漫流淌，古文化街非遗绽放。生态宜居城，开放包容乡。天津卫，邀您共谱新时代乐章！";
+            Video = new("Assets\\Advertisement-3.mp4", UriKind.Relative);
+        }
+    }
+}