Embed code snippets for README from executable examples (#1055)

examples/fastmcp/desktop.py

@@ -20,6 +20,6 @@ def desktop() -> list[str]:
 
 
 @mcp.tool()
-def add(a: int, b: int) -> int:
+def sum(a: int, b: int) -> int:
     """Add two numbers"""
     return a + b

examples/fastmcp/readme-quickstart.py

@@ -6,7 +6,7 @@ mcp = FastMCP("Demo")
 
 # Add an addition tool
 @mcp.tool()
-def add(a: int, b: int) -> int:
+def sum(a: int, b: int) -> int:
     """Add two numbers"""
     return a + b
 

examples/fastmcp/weather_structured.py

@@ -90,7 +90,7 @@ def get_weather_alerts(region: str) -> list[WeatherAlert]:
             WeatherAlert(
                 severity="high",
                 title="Heat Wave Warning",
-                description="Temperatures expected to exceed 40°C",
+                description="Temperatures expected to exceed 40 degrees",
                 affected_areas=["Los Angeles", "San Diego", "Riverside"],
                 valid_until=datetime(2024, 7, 15, 18, 0),
             ),