* add Endpoint to fetch data from options provider
* add Api Client Contract
* add context object in Endpoint
* Update Api Client Contract for Context
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Co-authored-by: Jérémie DEVILLARD <jdevillard@users.noreply.github.com>
* Initial version of c# expressions
* Add support for strongly-typed workflow variable accessors
* Fix type casting
* Rename c# to C# in XML comments
* Rename Globals.Context to ExecutionContext and Variables to Context
* Move RunJavaScript activity to Elsa.JavaScript
* Add RunCSharp activity
* Add CSharpOptions
* Add common workflow properties and methods