Refactor : Improve Homepage Consistency with Timeline Screen

## Description
- The homepage currently displays outdated and inactive open-source program events that are no longer operational or relevant.
- This creates inconsistency between the homepage and the updated timeline screen.
- Additionally, some UI elements can be improved to provide a cleaner and more user-friendly experience.

## Problem
- Some events displayed on the homepage are outdated or no longer active.
- Inactive programs create confusion for users and reduce the relevance of displayed information.

## Proposed Solution
- Update homepage content by removing inactive or discontinued open-source program events.
- Enhance visual consistency and modernize UI elements for a cleaner interface.

## Expected Outcome
- Homepage displays only relevant and active open-source opportunities.

## Additional Notes
This issue focuses on improving homepage relevance, usability, and overall UI consistency after updating the latest open-source timeline data.

## Current Homepage UI

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