added diaper overview page

src/baby_monitor/main.py

@@ -99,6 +99,12 @@ def serve_feedings() -> FileResponse:
     return FileResponse(static_path / "feedings.html")
 
 
+@app.get("/diapers.html", include_in_schema=False)
+def serve_diapers() -> FileResponse:
+    """Serve the diaper changes overview page."""
+    return FileResponse(static_path / "diapers.html")
+
+
 @app.get("/log-diaper.html", include_in_schema=False)
 def serve_log_diaper() -> FileResponse:
     """Serve the log diaper change page."""