Added Readme

ReadMe.md

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+# QlikSenseCLI
+## About
+
+QlikSenseCLI is PowerShell module to interface with the Qlik Sense QRS APIs.
+Objects retrieved from the QRS APIs are cast to DotNet object types.
+
+QlikSenseCLI is procedurally generated from the OpenAPI Specification.
+
+While each version of the module will predominantly be forwards & backwards compatible with previous version of Qlik Sense. 
+
+A new version of the module will be release with each major release of Qlik Sense Enterprise containing all of the changes in the OpenAPI specification. 
+
+The Version number of the QlikSenseCLI will relate to the Version of the OpenAPI schema in Qlik Sense.
+
+Each release comes in two variants.
+net45 & netstandard2.0
+
+the net45 can be used by Windows PowerShell 4+ 
+the netstandard2.0 can be used by PowerShell 5 and PowerShell 7+ (on Windows/MacOSx/Linux)
+
+Issues can be reported via the GitHub Repository [Issues](https://github.com/QlikProfessionalServices/QlikSenseCLI/issues) 
+
+Further information around the QRS API's can be found in the [OpenAPI](https://help.qlik.com/en-US/sense-developer/APIs/RepositoryServiceAPI/index.html) specification
+
+### TO DO
+Usage examples Coming soon!