misc updates 2 of x

#1041
#1042
#1043
w3c/wai-policies-prototype#549

misc updated 1 of x

policy update w3c/wai-policies-prototype#547
date update #1039
typo fix #1034

Translations

• Turkish - Video Introduction to Web Accessibility: new subtitles
• Translations information

ACT Rules

w3c/wcag-act-rules#314

New translations into Brazilian Portuguese and Japanese

• [Brazilian Portuguese] Introduction to Web Accessibility: new translation
• [Japanese] WCAG 3 Introduction: new translation
• Navigation: new translations
• Navigation: new Brazilian Portuguese translation

Simplified Chinese translations + Misc updates

• [Simplified Chinese] W3C Accessibility Standards Overview: updated translation
• [Simplified Chinese] Introduction to Web Accessibility: translated some headings into Chinese
• [Simplified Chinese] Updated UI terms
• Using WAI Material: minor improvements
• Fix UI terms
• Fix a typo in organization policies document

Simplified Chinese translations

• Simplified Chinese - Video Introduction: translation update
• Simplified Chinese - Introduction to Web Accessibility: translation update

https://github.com/w3c/wai-website/pull/1017

Merge pull request #1017 from w3c/wcaf2faq-minor

Update faq.md

APG

w3c/wai-aria-practices#372
#1015

misc cleanup and updates

#1013
#1012
#1011