- Introduced a new `heading_level` property in `CaptureTextLineStep` to enable customizable heading levels for interview steps.
- Updated `parseInterviewConfig` to parse and validate heading level settings.
- Enhanced rendering functions to prepend heading prefixes based on the configured heading level, improving text output formatting.
- Implemented a dropdown in the `InterviewWizardModal` for selecting heading levels, allowing users to easily adjust the heading for each step.
- Improved handling of nested loops to support heading level selection and display.
