Added models listing endpoint

src/Shared/Models/ServerModels.cs

@@ -0,0 +1,15 @@
+using System.Text.Json.Serialization;
+
+namespace Shared.Models;
+
+public class ServerGetModelsResult
+{
+    [JsonPropertyName("Success")]
+    public required bool Success { get; set; }
+
+    [JsonPropertyName("Message")]
+    public string? Message { get; set; }
+
+    [JsonPropertyName("Models")]
+    public string[]? Models { get; set; }    
+}