Add Container example and expand other examples for widgets
#274
| Job | Run time |
|---|---|
| 4m 15s | |
| 5m 4s | |
| 3m 58s | |
| 11m 25s | |
| 14m 54s | |
| 13m 2s | |
| 5m 41s | |
| 6m 16s | |
| 5m 35s | |
| 1h 10m 10s |