Add "Generate Data" Feature for Sample Habits

[iNikAnn]

Description of the feature

Add a "Generate Data" feature to create sample habits, allowing first-time users to explore the app as if they have been using it for some time. This will enable them to view statistics, diary entries, and other features with pre-filled data.

Reason

This feature is important for enhancing the onboarding experience. It helps new users understand the app's functionality and visualize how their data will look over time, encouraging engagement and retention.

Additional Information

It should be mentioned that generated habits can be deleted in the app's settings.