Moving codegen tools to another project

mROA.CodegenTools/Reading/ISectionReader.cs

@@ -0,0 +1,9 @@
+namespace mROA.CodegenTools.Reading
+{
+    public interface ISectionReader
+    {
+        string TemplateText { get; set; }
+        int GetNextSectionIndex(int currentIndex);
+        ITemplateSection ExtractSection(ref int index, TemplateDocument document);
+    }
+}