message: feat(CustomSelectOption): add hierarchy prop; docs for other props
diff: color: var(--text_primary, var(--vkui--color_text_primary));
  }
  +.CustomSelectOption--hierarchy {
  + --custom-select-option-hierarchy-level: 0;
  +
  + padding-left: calc(
  + var(--custom-select-option-hierarchy-level) *
  + var(--vkui--size_option_hierarchy--regular)
  + );
  +}
  +
  .CustomSelectOption--sizeY-regular {
  min-height: 44px;
  }
  