Add new sensors to show the current cleaning state:
```
Cleaning area (clean_area): 0 0
Cleaning time (clean_time): 0:00:00
Cleaning progress (clean_progress): 100 %
```
Adds support for clean module:
- Show current vacuum state
- Start cleaning (all rooms)
- Return to dock
- Pausing & unpausing
- Controlling the fan speed
---------
Co-authored-by: Steven B <51370195+sdb9696@users.noreply.github.com>