Implement Habit Comparison Analytics

[A23droid]

Description

Develop a feature that allows users to compare multiple habits side by side, showing metrics like completion rate, streaks, and consistency trends.
This comparison should help users identify patterns and areas for improvement.

Acceptance Criteria

• Users can select multiple habits to compare.
• Comparison metrics include completion rate, streaks, and consistency.
• Metrics are displayed in a clear and readable visual format.
• Comparison updates in real time when habit data changes.