docs: update secrets, pricing, parameter store; add PDS Admin service page - User-Guide:-Working-with-Secrets.md: add Create/Delete Workspace Secret step-by-step instructions (osaas-app#4222) - Pricing.md: document voucher code redemption at subscription activation (osaas-app#4220) - User-Guide:-Parameter-Store.md: explain *** masking for encrypted values and env var injection flow (osaas-ai#934) - Service:-PDS-Admin.md: new page for PDS Admin service

Claude Agent committed May 27, 2026