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

.devcontainer/devcontainer.json

@@ -0,0 +1,40 @@
+// For format details, see https://aka.ms/devcontainer.json. For config options, see the
+// README at: https://github.com/devcontainers/images/tree/main/src/python
+{
+    "name": "Python",
+    "image": "mcr.microsoft.com/devcontainers/python:1-3.11-bullseye",
+    // Features to add to the dev container. More info: https://containers.dev/features.
+    "features": {
+        "ghcr.io/astral-sh/devcontainer-features/uv:latest": {}
+    },
+    // Use 'forwardPorts' to make a list of ports inside the container available locally.
+    // "forwardPorts": [],
+    // Use 'postCreateCommand' to run commands after the container is created.
+    "postCreateCommand": "sudo chmod +x ./.devcontainer/setup.sh && ./.devcontainer/setup.sh",
+    "customizations": {
+        "vscode": {
+            "extensions": [
+                "ms-python.python",
+                "ms-python.vscode-pylance",
+                "github.vscode-pull-request-github"
+            ],
+            "settings": {
+                "files.eol": "\n",
+                "editor.formatOnSave": true,
+                "python.formatting.provider": "black",
+                "python.linting.enabled": true,
+                "python.linting.pylintEnabled": true,
+                "python.linting.flake8Enabled": true,
+                "python.linting.banditEnabled": true,
+                "python.testing.pytestEnabled": true
+            }
+        },
+        "codespaces": {
+            "openFiles": [
+                ".devcontainer/README.md"
+            ]
+        }
+    }
+    // Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
+    // "remoteUser": "root"
+}