This commit adds new functionality for tracking user activities within the application, including:
- Implementation of a new activity service to fetch and manage group activities.
- Creation of a dedicated activity store to handle state management for activities.
- Introduction of new API endpoints for retrieving paginated activity data.
- Enhancements to the UI with new components for displaying activity feeds and items.
- Refactoring of existing components to utilize the new activity features, improving user engagement and interaction.
These changes aim to enhance the application's activity tracking capabilities and provide users with a comprehensive view of their interactions.
