translation: special interest groups for zh
zh: translate all of goals
zh: translate all values
zh: translate soft and hard forks
zh: translate roadmap org and infra
zh: translate roadmap alignment stage
zh: misc fixes
zh: fix phrase for soft/hard forks
Co-authored-by: Gen <buzhybrid@gmail.com>
zh: adjust wording of root.description
zh: adjust SIGs description
zh: fix terminology use for 'upstream'
~hedy
marshmallow