feat: 初始功能

Services/Printing/PrinterStatusSnapshot.cs

@@ -0,0 +1,10 @@
+using CloudPrint.Client.Models;
+
+namespace CloudPrint.Client.Services.Printing;
+
+public sealed class PrinterStatusSnapshot
+{
+    public PrinterStatus Status { get; init; } = PrinterStatus.Unknown;
+    public int QueueCount { get; init; }
+    public string Message { get; init; } = string.Empty;
+}