feat: 初始功能

Services/Abstractions/IWebSocketService.cs

@@ -0,0 +1,14 @@
+using CloudPrint.Client.Models;
+
+namespace CloudPrint.Client.Services.Abstractions;
+
+public interface IWebSocketService
+{
+    event EventHandler<AppLogEntry>? LogReceived;
+
+    bool IsConnected { get; }
+    Uri? Endpoint { get; }
+
+    Task ConnectAsync(Uri endpoint, CancellationToken cancellationToken = default);
+    Task DisconnectAsync(CancellationToken cancellationToken = default);
+}