add proper logger, saves to file as well

AscNet.Logging/LoggingExtensions.cs

@@ -0,0 +1,16 @@
+namespace AscNet.Logging
+{
+    public static class LoggingExtensions
+    {
+        public static string RemoveBefore(this string value, char character)
+        {
+            int index = value.LastIndexOf(character);
+            if (index > 0)
+            {
+                value = value[(index + 1)..];
+            }
+
+            return value;
+        }
+    }
+}