[FLINK-28922][docs-zh] Translate "ORDER BY clause" page into Chinese.

[liuzhuang2017]

What is the purpose of the change

• Translate "ORDER BY clause" page into Chinese: https://nightlies.apache.org/flink/flink-docs-master/zh/docs/dev/table/sql/queries/orderby/.
• The markdown file is located in "docs/content.zh/docs/dev/table/sql/queries/orderby.md".
• Details See FLINK-28922 for information.

Brief change log

• Translate "ORDER BY clause" page into Chinese.

Verifying this change

• This change is a trivial rework / code cleanup without any test coverage.

Does this pull request potentially affect one of the following parts:

• Dependencies (does it add or upgrade a dependency): (yes / no)
• The public API, i.e., is any changed class annotated with @Public(Evolving): (yes / no)
• The serializers: (yes / no / don't know)
• The runtime per-record code paths (performance sensitive): (yes / no / don't know)
• Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Kubernetes/Yarn, ZooKeeper: (yes / no / don't know)
• The S3 file system connector: (yes / no / don't know)

Documentation

• Does this pull request introduce a new feature? (yes / no)
• If yes, how is the feature documented? (not applicable / docs / JavaDocs / not documented)

[liuzhuang2017]

@MartijnVisser , Sorry to bother you again, can you help me review this pr? Thank you.

[flinkbot]

CI report:

• af4192be8b1495b133a834b1e62a689f90e0251f Azure: SUCCESS

Bot commands

The @flinkbot bot supports the following commands:

• @flinkbot run azure re-run the last Azure build

[liujingmao]

well done

[liuzhuang2017]

@wuchong , Can you help me review this pr？Thank you very much.