Added basic login

src/Artemis.WebClient.Workshop/Exceptions/ArtemisWebClientException.cs

@@ -0,0 +1,24 @@
+using System;
+
+namespace Artemis.Core;
+
+/// <summary>
+///     An exception thrown when a web client related error occurs
+/// </summary>
+public class ArtemisWebClientException : Exception
+{
+    /// <inheritdoc />
+    public ArtemisWebClientException()
+    {
+    }
+
+    /// <inheritdoc />
+    public ArtemisWebClientException(string? message) : base(message)
+    {
+    }
+
+    /// <inheritdoc />
+    public ArtemisWebClientException(string? message, Exception? innerException) : base(message, innerException)
+    {
+    }
+}