Update README snippets to match example files

Run scripts/update_readme_snippets.py to sync documentation with code changes.

Author: ranjitodedra

README.md

@@ -1261,6 +1261,7 @@ Basic example showing how to mount StreamableHTTP server in Starlette.
 Run from the repository root:
     uvicorn examples.snippets.servers.streamable_http_basic_mounting:app --reload
 """
+
 import contextlib
 
 from starlette.applications import Starlette
@@ -1277,13 +1278,15 @@ def hello() -> str:
     """A simple hello tool"""
     return "Hello from MCP!"
 
+
 # Create lifespan context manager to initialize the session manager
 @contextlib.asynccontextmanager
 async def lifespan(app: Starlette):
     """Context manager for managing MCP session manager lifecycle."""
     async with mcp.session_manager.run():
         yield
 
+
 # Mount the StreamableHTTP server to the existing ASGI server
 app = Starlette(
     routes=[
@@ -1306,6 +1309,7 @@ Example showing how to mount StreamableHTTP server using Host-based routing.
 Run from the repository root:
     uvicorn examples.snippets.servers.streamable_http_host_mounting:app --reload
 """
+
 import contextlib
 
 from starlette.applications import Starlette
@@ -1322,13 +1326,15 @@ def domain_info() -> str:
     """Get domain-specific information"""
     return "This is served from mcp.acme.corp"
 
+
 # Create lifespan context manager to initialize the session manager
 @contextlib.asynccontextmanager
 async def lifespan(app: Starlette):
     """Context manager for managing MCP session manager lifecycle."""
     async with mcp.session_manager.run():
         yield
 
+
 # Mount using Host-based routing
 app = Starlette(
     routes=[
@@ -1351,6 +1357,7 @@ Example showing how to mount multiple StreamableHTTP servers with path configura
 Run from the repository root:
     uvicorn examples.snippets.servers.streamable_http_multiple_servers:app --reload
 """
+
 import contextlib
 
 from starlette.applications import Starlette
@@ -1380,6 +1387,7 @@ def send_message(message: str) -> str:
 api_mcp.settings.streamable_http_path = "/"
 chat_mcp.settings.streamable_http_path = "/"
 
+
 # Create lifespan context manager to initialize both session managers
 @contextlib.asynccontextmanager
 async def lifespan(app: Starlette):
@@ -1389,6 +1397,7 @@ async def lifespan(app: Starlette):
         await stack.enter_async_context(chat_mcp.session_manager.run())
         yield
 
+
 # Mount the servers
 app = Starlette(
     routes=[
@@ -1412,6 +1421,7 @@ Example showing path configuration during FastMCP initialization.
 Run from the repository root:
     uvicorn examples.snippets.servers.streamable_http_path_config:app --reload
 """
+
 import contextlib
 
 from starlette.applications import Starlette
@@ -1437,6 +1447,7 @@ async def lifespan(app: Starlette):
     async with mcp_at_root.session_manager.run():
         yield
 
+
 # Mount at /process - endpoints will be at /process instead of /process/mcp
 app = Starlette(
     routes=[