[ENH] Further cli features
- Moved model, project and forecast creation scripts to new cli
- Added ramsis stop which collects all scheduled flow runs and cancels them
- Added reschedule functionality to 'ramsis forecast run --force' so that existing flow runs can be forced to rerun
- Added keys to config which distinguish flows and flow runs as being specific to the machine running them, so that runs from several locations do not interfere with each other