TFL R package documentation can be found here.
The deliv folder contains the executable. Follow the instructions outlined in the README.md there on an Envision workflow to run the GUI.
When developing, use the Makefile to manage the deployment process after updating the GUI and TFL R packages (which exist as submodules in this repository). Typically, you'll use:
make data update_documentation build install update_server signal_restart
When ready to update the deliverable:
make update_deliv