What type of PR is this?

Uncomment only one /kind <> line, hit enter to put that in a new line, and remove leading whitespaces from that line:

/kind feature

What does this PR do / why do we need it:

This PR is to add the Chinese version tutotial for 'Hetergenous training'.

Which issue(s) this PR fixes:

Fixes https://gitee.com/mindspore/dashboard/issues?id=I1KR1M

Special notes for your reviewers: