add Programmyday form github

zoo-besucher/Adult.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace zoo_besucher
+{
+    internal class Adult : Visitor
+    {
+        public Adult() 
+        {
+            this.visitorCount = 1;
+            this.entriy = 15;
+        }
+    }
+}