docs(release): document the verified release procedure (#117)

docs(release): document the verified release procedure

feat(docs): add source guides and site update dispatch

feat(templates): add safe JSON serialization helpers

test(feed): add reviewed RSS XML fixtures

refactor(markdown): rename option to publish_markdown

build(deps): bump github/codeql-action/init from 4.37.9 to 4.38.3

feat(metadata): expose typed page metadata helpers

docs(readme): update current contact links

Merge branch 'master' into dependabot/go_modules/golang.org/x/net-0.55.0