more work on api & rename to Pilz.Net

Pilz.Net/Api/ApiAuthCheckEventArgs.cs

@@ -0,0 +1,20 @@
+namespace Pilz.Net.Api;
+
+public record class ApiAuthCheckEventArgs(string AuthKey)
+{
+    private bool hasDenyed;
+
+    public bool Valid { get; set; }
+
+    public void Deny()
+    {
+        Valid = false;
+        hasDenyed = true;
+    }
+
+    public void Permit()
+    {
+        if (!hasDenyed)
+            Valid = true;
+    }
+}