Add documentation structure (#1425)

docs/installation.md

@@ -0,0 +1,31 @@
+# Installation
+
+The Python SDK is available on PyPI as [`mcp`](https://pypi.org/project/mcp/) so installation is as simple as:
+
+=== "pip"
+
+    ```bash
+    pip install mcp
+    ```
+=== "uv"
+
+    ```bash
+    uv add mcp
+    ```
+
+The following dependencies are automatically installed:
+
+- [`httpx`](https://pypi.org/project/httpx/): HTTP client to handle HTTP Streamable and SSE transports.
+- [`httpx-sse`](https://pypi.org/project/httpx-sse/): HTTP client to handle SSE transport.
+- [`pydantic`](https://pypi.org/project/pydantic/): Types, JSON schema generation, data validation, and [more](https://docs.pydantic.dev/latest/).
+- [`starlette`](https://pypi.org/project/starlette/): Web framework used to build the HTTP transport endpoints.
+- [`python-multipart`](https://pypi.org/project/python-multipart/): Handle HTTP body parsing.
+- [`sse-starlette`](https://pypi.org/project/sse-starlette/): Server-Sent Events for Starlette, used to build the SSE transport endpoint.
+- [`pydantic-settings`](https://pypi.org/project/pydantic-settings/): Settings management used in FastMCP.
+- [`uvicorn`](https://pypi.org/project/uvicorn/): ASGI server used to run the HTTP transport endpoints.
+- [`jsonschema`](https://pypi.org/project/jsonschema/): JSON schema validation.
+- [`pywin32`](https://pypi.org/project/pywin32/): Windows specific dependencies for the CLI tools.
+
+This package has the following optional groups:
+
+- `cli`: Installs `typer` and `python-dotenv` for the MCP CLI tools.