implemented Habit dashboard and check-in flow (Closes #18)

[vedhapprakashni]

Added a comprehensive habit tracking system to OpenMindWell, allowing users to create, track, and manage personal habits with streak tracking and progress visualization.

Type of Change

• ✨ New feature (non-breaking change which adds functionality)

How Has This Been Tested?

Manual testing performed for all habit operations including create, edit, delete, and check in. Verified streak calculation logic works correctly for consecutive days. Confirmed responsive design on various screen sizes.

Preview

openmindwell.mp4

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

Additional Information

The .env.example files contain placeholder values and should be copied to .env with actual credentials for local development. All sensitive data has been removed from version control.

Features included:
Users can create custom habits with configurable frequency options such as daily and weekly.
Visual streak tracking shows current streak and longest streak achieved.
Check in functionality allows users to mark habits as completed each day.
Edit and delete capabilities for habit management.
Responsive dashboard layout with animated components.

Technical implementation:
Frontend components built with React and TypeScript.
Backend API routes implemented in Express.
Supabase integration for data persistence.