Refactor Transformer (add Scriban) (#562)

src/WireMock.Net/Transformers/Handlebars/HandlebarsContext.cs

@@ -0,0 +1,19 @@
+using HandlebarsDotNet;
+using WireMock.Handlers;
+
+namespace WireMock.Transformers.Handlebars
+{
+    internal class HandlebarsContext : IHandlebarsContext
+    {
+        public IHandlebars Handlebars { get; set; }
+
+        public IFileSystemHandler FileSystemHandler { get; set; }
+
+        public string ParseAndRender(string text, object model)
+        {
+            var template = Handlebars.Compile(text);
+
+            return template(model);
+        }
+    }
+}