docs: Update README.MD that add qq group link.

[chivehao]

• [x] Update the CHANGES log.
• [x] If this pull request closes/resolves/fixes an existing issue, replace the issue number. Closes #.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 47.37%. Comparing base (2dbdcc4) to head (1878f41).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #540 +/- ## ========================================= Coverage 47.37% 47.37% Complexity 702 702 ========================================= Files 164 164 Lines 6246 6246 Branches 330 330 ========================================= Hits 2959 2959 Misses 3175 3175 Partials 112 112 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.