new field in the transitions is next_section_and_step which is optional
and defaults to None but also can be "section_3:step_1"
modified: app.py
new file: research/activity0.yaml
new file: research/activity13-choose-adventure.yaml
modified: research/guarded_ai.py
new file: research/activity.yaml
new file: research/activity10.yaml
new file: research/activity11.yaml
new file: research/activity12.yaml
new file: research/activity2.yaml
new file: research/activity3.yaml
new file: research/activity4.yaml
new file: research/activity5.yaml
new file: research/activity6.yaml
new file: research/activity7.yaml
new file: research/activity8.yaml
new file: research/activity9.yaml
new file: research/guarded_ai.py