update

backend/main.py

@@ -1,7 +1,25 @@
 from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+
+from database import create_tables
+from routes.videos import router as videos_router
 
 app = FastAPI()
 
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+app.include_router(videos_router)
+
+
+@app.on_event("startup")
+def startup():
+    create_tables()
+
 
 @app.get("/")
 def root():