[CI] Document verified run and deploy commands for APPS/peacepad

[fefejiro]

Observed evidence

APPS/peacepad/README.md is missing while APPS/peacepad/package.json exists.

Acceptance criteria

• README states the verified product purpose.
• Run, test, build, and deploy commands match package scripts and live configuration.
• Unknown or unverified behavior is labeled explicitly.

Verification

git diff --check -- APPS/peacepad/README.md

Risk class

Low - eligible for agent-ready review after scope confirmation

Do not touch

Do not invent deployment status, credentials, URLs, or test results.

Discovery only. Add agent-ready only after owner review confirms low risk.