Generalize public release documentation

[Acblade]

Summary

• make app examples and source-selection guidance generic across supported apps
• replace pending-status matrices with completed build and release checks
• align the bilingual README, changelog, privacy, security, build guides, and GitHub templates
• preserve the existing package identity, signing compatibility, migrations, and runtime detection logic

Checks

• project test suite passed
• public Markdown/YAML wording scan passed; only the existing technical package identifier remains
• local Markdown link check passed
• git diff check passed