full run. Ready to start creating reporters.

Program.cs

@@ -113,10 +113,17 @@ namespace newsletter
 
         static HtmlDocument AssembleHTML(IEnumerable<HtmlNode> reportSections)
         {
-            //TODO
             Console.WriteLine($"assembling {reportSections.Count()} sections");
-            throw new NotImplementedException();
+            var doc = new HtmlDocument();
+            doc.LoadHtml(File.ReadAllText("template.html"));
+            var htmlBody = doc.DocumentNode.SelectSingleNode("//body");
+            htmlBody.RemoveAll();
+            foreach(var section in reportSections)
+            {
+                section.AddClass("report-content");
+                htmlBody.AppendChild(section);
+            }
+            return doc;
         }
-
     }
 }