- Adds a "Completed only" option to the dashboard status filter.
- Updates filtering logic to distinguish between "Active" (running) and "Completed" (finished) tasks.
- Adds new utility classes `.bg-success/5` and `.border-success` to `styles.css`.
- Applies green tint and success border to completed task cards.
Co-authored-by: PR0M3TH3AN <[email protected]>