优化 MSBuild 在 Release 时 不生成PDB

新增平台架构(win/mac/linux)
优化 发布配置

System.Application.SteamTools.Client.Desktop.Platform.Linux/ServiceCollectionExtensions.cs

@@ -0,0 +1,23 @@
+using System;
+using System.Application.Services;
+using System.Application.Services.Implementation;
+
+// ReSharper disable once CheckNamespace
+namespace Microsoft.Extensions.DependencyInjection
+{
+    public static class ServiceCollectionExtensions
+    {
+        public static IServiceCollection AddDesktopPlatformService(this IServiceCollection services)
+        {
+            if (DI.Platform == Platform.Linux)
+            {
+                services.AddSingleton<IDesktopPlatformService, LinuxDesktopPlatformServiceImpl>();
+            }
+            else
+            {
+                throw new PlatformNotSupportedException();
+            }
+            return services;
+        }
+    }
+}