make httpclient public

Pilz.Net/Api/ApiClient.cs

@@ -5,9 +5,10 @@ namespace Pilz.Net.Api;
 
 public class ApiClient(string apiUrl) : IApiClient
 {
-    protected readonly HttpClient httpClient = new();
     protected readonly List<object> clients = [];
 
+    public HttpClient HttpClient { get; set; } = new();
+
     public virtual string ApiUrl { get; } = apiUrl;
 
     public string? AuthKey { get; set; }
@@ -84,7 +85,7 @@ public class ApiClient(string apiUrl) : IApiClient
             Content = content
         };
 
-        return await httpClient.SendAsync(httpmsg);
+        return await HttpClient.SendAsync(httpmsg);
     }
 
     protected virtual string BuildParameters(ApiParameterCollection? @params)

Pilz.Net/Api/ApiServer.cs

@@ -1,14 +1,10 @@
 using Castle.Core.Logging;
-using Newtonsoft.Json.Linq;
 using Pilz.Extensions.Reflection;
 using System.Diagnostics.CodeAnalysis;
-using System.Linq;
 using System.Net;
 using System.Reflection;
-using System.Text.Encodings.Web;
 using System.Text.RegularExpressions;
 using System.Web;
-using System.Xml;
 using static Pilz.Net.Api.IApiServer;
 
 namespace Pilz.Net.Api;