Potentially have a more structured option for submitting an experience

### Summary

Some users find the main question too open-ended and want more structure and guidance. One option would be to have a toggle which allows users to see different types of input and fill those in instead of only having an open question and a free text box. This has been brought up by multiple community members at different stages of development, so seems worth addressing, but is also quite a profound change with lots of different implications.

### Deadline

### What needs to be done?

- [ ] Think of different ways the question could be broken down (e.g. time of day etc.)
- [ ] Create a form with these additional settings
- [ ] Allow users to access that form with a toggle on the add story page
- [ ] Add information clarifying what the different options are and saying you can use whichever format you prefer
- [ ] Make sure users can toggle between options without losing input?
- [ ] Test with users!

No files, tests, or implementation entry points are named. Start by reviewing the add story page and defining the structured question options, toggle behavior, explanatory text, and input preservation; done requires a usable alternative form validated with users.

Written by the indexing model from the issue text.