* Refactor HTTP route table population
* Update workflow definition EF store to use abstract IWorkflowInstanceStore
This decoupling is necessary, because the application might not be using EF Core, but e.g. Elasticsearch
* Move workflow state persistence to the default workflow runtime feature
* Update JS handler to provide access to variables during trigger indexing
* Configure Proto.Actor runtime with different workflow pipeline
* Add sample using Proto.Actor runtime
* Replace BookmarkGrain with DB based persistence
* Incremental work on WorkflowStateSerializer
* Update Flow HTTP Request activity to default to Done outcome
* Fix reference handling
* Fix polymorphic object converter
* Add comments
* Add support for registering type alias during DI setup via options
* Fix trigger and bookmark payload persistence
* Update sample model
* Add support for custom dictionary types
* Split general serializer options provider into focused serializer services
* Formatting
* Update migrations
* Returned 404 when path is not found and 500 when there are multiple workflows with the same path
* Return failure response in case of workflow fault
* Started workflow authorization implementation
* Implemented workflow authorization
