* zh-trans: add 2019-06-11-contributor-summit-shanghai.md
* s/贡献者峰会活动/贡献者峰会/
* s/不过/不论/
* Adopt PR suggestion
* s/你/您/
* s/当前贡献者节/现有贡献者活动/
* s/在亚洲和大洋洲的很多贡献者/很多亚洲和大洋洲的贡献者/
* s/新开发者/新贡献者/
* Adopt PR suggestion.
* s/上海会展中心/上海世博中心/
* s/工作者/贡献者/
* Refresh original English text as the related PR got merged
* Rename the filename to be consistent with English blog post PR
chenrui