first pass of graphql interface

Modules.Interfaces/GrapQLInterface/LoginData.vb

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+Public Class LoginData
+    Public email As String
+    Public token As String
+End Class

Modules.Interfaces/GrapQLInterface/LogoutData.vb

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+Public Class LogoutData
+    Public email As String
+End Class

Modules.Interfaces/GrapQLInterface/QueryData.vb

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+Public Class QueryData
+    Public Query As String
+    Public OperationName As String
+    Public Variables As New Object
+End Class