* Sync #13782 with some format improvement
* fix format
* Update content/zh/about/faq/general/what-is-istio.md
Co-authored-by: Michael <haifeng.yao@daocloud.io>
* Update content/zh/about/faq/general/why-use-istio.md
Co-authored-by: Michael <haifeng.yao@daocloud.io>
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Co-authored-by: Michael <haifeng.yao@daocloud.io>
* add Chinese menus items
* move faq module to about subfolder
* upgrade the case study page support i18n.
* add deployment page about Chinese.
* upgrade all "learn more" button text support i18n.
* add ecosystem page about Chinese.
* add service mesh page about Chinese.
* add get involved page about Chinese.
* fixed the lint checking about Kubernetes & VM spelling.
* fixed some review comments.
* change FAQ translation.
* fixed some review comments & conflict
* change some translate words about involve page.
* try to fixed the spelling check in service mesh page.
* change the title desc in service mesh page.
* change Istio spelling in service mesh page.