feat: Implement NvidiaProvider for fetching models from NVIDIA API

src/rotator_library/providers/nvidia_provider.py

@@ -0,0 +1,28 @@
+import httpx
+import logging
+from typing import List
+from .provider_interface import ProviderInterface
+
+lib_logger = logging.getLogger('rotator_library')
+lib_logger.propagate = False # Ensure this logger doesn't propagate to root
+if not lib_logger.handlers:
+    lib_logger.addHandler(logging.NullHandler())
+
+class NvidiaProvider(ProviderInterface):
+    """
+    Provider implementation for the NVIDIA API.
+    """
+    async def get_models(self, api_key: str, client: httpx.AsyncClient) -> List[str]:
+        """
+        Fetches the list of available models from the NVIDIA API.
+        """
+        try:
+            response = await client.get(
+                "https://integrate.api.nvidia.com/v1/models",
+                headers={"Authorization": f"Bearer {api_key}"}
+            )
+            response.raise_for_status()
+            return [f"nvidia_nim/{model['id']}" for model in response.json().get("data", [])]
+        except httpx.RequestError as e:
+            lib_logger.error(f"Failed to fetch NVIDIA models: {e}")
+            return []