fix landing page

main.py

@@ -2,11 +2,14 @@
 Parking Manager Application
 FastAPI + SQLite + Vanilla JS
 """
-from fastapi import FastAPI
+from fastapi import FastAPI, Request
 from fastapi.staticfiles import StaticFiles
-from fastapi.responses import FileResponse, RedirectResponse
+from fastapi.responses import FileResponse, RedirectResponse, JSONResponse
 from fastapi.middleware.cors import CORSMiddleware
 from contextlib import asynccontextmanager
+from slowapi import Limiter, _rate_limit_exceeded_handler
+from slowapi.util import get_remote_address
+from slowapi.errors import RateLimitExceeded
 
 from app import config
 from app.routes.auth import router as auth_router
@@ -16,16 +19,26 @@ from app.routes.presence import router as presence_router
 from app.routes.parking import router as parking_router
 from database.connection import init_db
 
+# Rate limiter setup
+limiter = Limiter(key_func=get_remote_address)
+
 
 @asynccontextmanager
 async def lifespan(app: FastAPI):
     """Initialize database on startup"""
+    config.logger.info("Starting Parking Manager application")
     init_db()
+    config.logger.info("Database initialized")
     yield
+    config.logger.info("Shutting down Parking Manager application")
 
 
 app = FastAPI(title="Parking Manager", version="1.0.0", lifespan=lifespan)
 
+# Add rate limiter
+app.state.limiter = limiter
+app.add_exception_handler(RateLimitExceeded, _rate_limit_exceeded_handler)
+
 # CORS
 app.add_middleware(
     CORSMiddleware,