Initial commit: OpenRouter Python SDK

Auto-generated Python SDK for OpenRouter API, providing comprehensive client library with:
- Chat completions and streaming support
- Embeddings API
- Model and provider information
- API key management
- Analytics and usage tracking
- OAuth authentication flows
- Full type hints and error handling

docs/models/prompt.md

@@ -0,0 +1,29 @@
+# Prompt
+
+
+## Supported Types
+
+### `str`
+
+```python
+value: str = /* values here */
+```
+
+### `List[str]`
+
+```python
+value: List[str] = /* values here */
+```
+
+### `List[float]`
+
+```python
+value: List[float] = /* values here */
+```
+
+### `List[List[float]]`
+
+```python
+value: List[List[float]] = /* values here */
+```
+