[doc] Add Chinese version of operator_custom_with_cupy.ipynb and Rename it's title
#1191
| Job | Run time |
|---|---|
| 41m 25s | |
| 29m 10s | |
| 34m 37s | |
| 37m 49s | |
| 29m 37s | |
| 38m 51s | |
| 36m 4s | |
| 29m 54s | |
| 33m 23s | |
| 5h 10m 50s |