Implemented VTEX own concept of log type

#9

Author: Caldas

src/SampleWebAPI/Logging/VTEXLogType.cs

@@ -0,0 +1,10 @@
+
+namespace VTEX.SampleWebAPI.Logging
+{
+    public enum VTEXLogType
+    {
+        Error,
+        Warning,
+        Info
+    }
+}