It was a great study for options and use cases of such a help in our tool chain – but watch the result yourself:
Context Help / Search via SOLR – hooken into Camunda BPM Workbench from Camunda on Vimeo.
Note that this is a prototype – sources are on a branch in GitHub – but not in a stable state. But let us know what you think of it and if and how you would like to have it in the product! Feedback always helps us to make Camunda even more awesome 🙂