Including tools into codegen

mROA.CodegenTools/Reading/LeadingTextSectionReader.cs

@@ -33,9 +33,8 @@ namespace mROA.CodegenTools.Reading
         protected string GetTagValue(int from, int to)
         {
             var realStart = from + 4;
-            var span = TemplateText.AsSpan();
-            var slice = span.Slice(realStart, to - realStart);
-            return new string(slice.ToArray());
+            var span = TemplateText.Substring(realStart, to - realStart);
+            return span;
         }
     }
 }

mROA.CodegenTools/mROA.CodegenTools.csproj

@@ -1,9 +1,14 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>netstandard2.1</TargetFramework>
+        <TargetFramework>netstandard2.0</TargetFramework>
         <Nullable>enable</Nullable>
         <LangVersion>9</LangVersion>
+        <RootNamespace>mROA.CodegenTools</RootNamespace>
+        <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
+        <Title>mROA.CodegenTools</Title>
+        <Description>Tools for codegen</Description>
+        <Copyright>MIT</Copyright>
     </PropertyGroup>
 
 </Project>