Remove a bunch of entries that shouldn't have been in the spelling dictionary
and correct content aoocrdingly.
I'm disabling the Chinese spell checking for now, since I'm not able to fix the
spelling errors that emerged there. Once this PR is in, I'll file an issue to get
those spelling errors addressed and checking reenabled.
* Chinese community translation and fix a markdown error
- Translate community page into Chinese
- Fix https overlay markdown style check error
* fix CI errors
- update Quick Start with Kubernetes
- update Prerequisites and Installation steps
- fix some broken links
* Consolidate the security concept pages into a single page.
- This updates the security concept material to be on a single page, which matches the
change done last week for the rest of the concept material. This ends up being a less clicky
more directed introduction for newcomers to the platform.
- While I was there, I moved the redundant What is Istio page from our about section and stuck
the content at the top of the What is Istio page in the Concepts section.
- Remove What's next sections since we now have auto-generated See also sections
- Fix a few incorrectly capitalized headers, "istio", "kubernetes", "sidecar"