TimeChimp UI/UX Improvements oleh Infi

- Show time entry descriptions on the rows in the day view.
- Remove the "TimeChimp Tracker" ad from the timeline view, and make entries full-width.
- Listen for ctrl+enter in the description field to submit the form.
- Correct 3-digit times in the start and end time fields (e.g. "930" -> "09:30").
- Show time entry end times in the timeline view.
- Show time entry descriptions in the timeline view.