Enhance LLM and SwarmUI integration with improved configuration options

- Updated `env.example` and `gpu-rent.vars.example` to include new variables for LLM runtime and SwarmUI options.
- Refactored CLI commands to support interactive selection of LLM runtime and workload type (SwarmUI, LLM, or both).
- Improved access link generation to handle cases where SwarmUI is disabled, providing clearer user feedback.
- Enhanced provisioning logic to conditionally bootstrap SwarmUI based on user configuration, allowing for LLM-only setups.
- Updated documentation across multiple files to reflect changes in LLM integration, CLI usage, and configuration management.

docs/roadmap.md

@@ -83,6 +83,9 @@
 - [x] Оценка ₽ честно («смотри панель»), предупреждение про диск 24/7 и idle-killer
 - [x] `NOTIFY_READY`: Windows toast + звук при backend Idle
 - [x] Пользовательский README поверх `docs/`
+- [x] Opt-in LLM + `setup`; нумерованные меню; interactive Selectel plan (flavor/disk/spot)
+- [x] Цветной CLI-лог; `capture` ссылок с VM
+- [x] Local-watchdog; access-card
 
 ## Вне скоупа v1