Добавлен API в инструкцию по резервированию адреса с защитой от DDoS - #1221

✓ 17:43:03.141Z  Clone repository  +15s
  └─ ✓ 17:43:03.144Z  Checkout repository  +15s
ℹ 17:43:18.251Z  YFM version equals 5.43.3.
✓ 17:43:20.029Z  YFM: Public check — done  +10m 27s
  ├─ ✓ 17:43:20.032Z  Validation  +7m 49s
  │  ├─ ℹ 17:51:09.564Z  Warnings: 0 Errors: 0
  │  └─ ℹ 17:51:09.629Z  Validate log: https://server-yfm-preview.website.yandexcloud.net/d-be5d5374-fe12-4af1-b06e-428c354effa5/validate.combined.log
  └─ ✓ 17:51:09.629Z  Upload to storage  +2m 37s
✓ 17:53:47.565Z  Cleanup finished  +4s