Update configuration and documentation for LLM support and local watchdog

- Added `ollama-models.yaml` to .gitignore and implemented logic to copy it in gpu-rent.ps1 and gpu-rent.sh.
- Enhanced env.example to include new variables for LLM runtime options and local watchdog configuration.
- Updated CLI commands to support LLM options during setup and execution, including new flags for Ollama and llama.cpp.
- Improved documentation in cli.md and README.md to reflect changes in LLM integration and local watchdog functionality.
- Adjusted architecture and decisions documentation to clarify the role of LLMs and local watchdog in the system.

src/gpu_rent/doctor.py

@@ -271,9 +271,10 @@ def _civitai(cfg: Config, checks: list[Check]) -> None:
     checks.append(
         Check(
             "Civitai",
-            False,
             True,
-            f"{probe.host}: {probe.detail}; fallback {alt.host}: {alt.detail}",
+            False,
+            f"{probe.host}: {probe.detail}; fallback {alt.host}: {alt.detail}. "
+            "seed-models недоступен, дефолт SwarmUI ок — up не блокируем",
         )
     )