常见问题QA.md

[yucongcong654]

trafficstars

先整理了微信群里问题，后续按照周期性进行更新

Signed-off-by:

Pre-Checklist

Note: Please complete ALL items in the following checklist.

• [x] I have read through the CONTRIBUTING.md documentation.
• [x] My code has the necessary comments and documentation (if needed).
• [x] I have added relevant tests.

Purpose

Some description about what this PR wants to do.

Approaches

Some description about how this PR achives the purpose.

Related Issues

e.g. Close #796

New Behavior (screenshots if needed)

N/A

[garyli1019]

@yucongcong654 Hi, I have 3 suggestions

1. can we move this file under the doc folder
2. can we add an English version like other docs
3. Please add a link to README as well

[garyli1019]

one more, would you submit a PR from your fork instead of creating branch on this repo, thanks~