[Meta] KaTeX Website & Documentation

This is a meta-issue to track website and documentation related tasks.

• Improve and organize Options(options.md) documentation: #1599
• Enable use of “|” character inside a KaTeX expression inside a markdown table
• KaTeX internals documentation: #1096
• Setup CircleCI to build and deploy website: #1588
• ~Better macro documentation: #1176~
• ~Sandbox/Demo/REPL: #1244~
• ~Skip tests if only documentations are changed: #1166~
• ~Who is using KaTeX list: #305: #1569~
• ~More examples: #275, #661, #1064~
• ~Fix function support page overflow on smaller screens: #1556~
• ~Add redirects from original documents: #1576~
• ~Use built CSS: #1584~
• ~Improve remarkableKatex to enable nested $ delimiters: #1576~
• ~Include other contrib documentation, maybe extensions/plugins page?: #1566~
• ~Dedupe documentations, most documentations are copied from README.mds, source codes, and the wiki. Either remove original docs or copy(auto-generate) at the build: #1566~
• ~Mobile-friendly(responsive) main(index) page: #1547~
• ~Modify release script to build and deploy website: #1521~
• ~Supported function list/support matrix(maybe auto-generated): #1536~
• ~Setup netlfiy to build and deploy website: #1510~
• ~Function support page: fix excess padding in environment table~

[kevinbarabash]

The new documentation is live. Sorry for the delay.

[ylemkimon]

I’ll close this issue, as most of tasks are done. I’ve opened issues for remaining tasks that don’t have separate issue.