[Enhancement] Add readme-cn.md

[psxjoy]

Search before asking

• I searched in the issues and found nothing similar.

Motivation

Based on the apache analytics,I found most of users are in China.
Maybe we need a chinese version readme.md.

Solution

No response

Alternatives

No response

Anything else?

No response

Are you willing to submit a PR?

• I'm willing to submit a PR!

[harshasiddartha]

@psxjoy can i take up this issue I wanna contribute

[delei]

@psxjoy can i take up this issue I wanna contribute

👍 Welcome

[harshasiddartha]

@delei , @psxjoy i have completed the issue can you review my pr and merge it