Add to ef 6 model.tt to generate metadata class templates

EF MetaData Classes

<# 
    fileManager.StartNewFile(entity.Name & "MetaData" & ".vb")
    BeginNamespace(code)
#>
'  Copy this class to a partial file to get started on adding metadata to <#=entity.name#> class
<#=codeStringGenerator.EnityClassMetaDataOpening(entity)#>
 <#
If simpleProperties.Any() Then
        For Each edmProperty As EdmProperty In simpleProperties
#> 
 '    <DisplayName("Display Name")> 
 '<#=codeStringGenerator.SimpleProperty(edmProperty)#>
<#
        Next
    End If
#>
<#
    If complexProperties.Any() Then
#>

<#
       For Each complexProperty As EdmProperty In complexProperties
#>
 '    <DisplayName("Display Name")> 
 '<#=codeStringGenerator.ComplexProperty(complexProperty)#>
<#
       Next
    End If
#>
 <#
If navigationProperties.Any() Then
#>

<#
        For Each navigationProperty As NavigationProperty In navigationProperties
#>
 '    <DisplayName("Display Name")> 
 '<#=codeStringGenerator.NavigationProperty(navigationProperty)#>
<#
        Next
    End If

#>

End Class
<#
    EndNamespace(code)
#>

<#