USER run a workflow
When you have completed the design of your workflow, you can run it using the "Start workflow" button on the workflow sidebar.
When the workflow is started you'll se a progress bar and an indicator on the top right corner of each block to show its state.
When the run of the workflow is completed, in the workflow sidebar you'll find some buttons to download the results as JSON or CSV. You can also download individual block results: just select the block and you'll find the same buttons also on the block sidebar.
