feat: PSJekyll.Template.IncludePSTypeName ( Fixes #87 )

Fixing data variable reference

Author: James Brundage

Types/PSJekyll.Template/Include.PSTypeName.md.ps1

@@ -1,7 +1,7 @@
 param()
 
 @"
-{% for functionName in site.data.PSModuleFunctionNames %}
+{% for functionName in site.data.PSExportTypeNames %}
 {% if site.pages | where: "url", "/{{functionName}}" %}
 * [{{ functionName }}](/{{functionName}})
 {% else %}