feat(db): register all routers and init SQLite DB on startup

backend/app/main.py

@@ -1,8 +1,36 @@
 from fastapi import FastAPI
-from app.routes.auth import router as auth_router
+from fastapi.middleware.cors import CORSMiddleware
+
+from app.database import Base, engine
+from app.routes.auth import router as auth_router
+from app.routers.inventory import router as inventory_router
+from app.routers.relations import router as relations_router
+from app.routers.discoveries import router as discoveries_router
+from app.routers.jobs import router as jobs_router
+from app.routers.objects import router as objects_router
+from app.routers.health import router as health_router
+
+# Create all tables on startup
+Base.metadata.create_all(bind=engine)
+
+app = FastAPI(title="NetMapper API", version="0.1.0")
+
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
 
-app = FastAPI(title="NetMapper API")
 app.include_router(auth_router)
+app.include_router(health_router)
+app.include_router(inventory_router)
+app.include_router(relations_router)
+app.include_router(discoveries_router)
+app.include_router(jobs_router)
+app.include_router(objects_router)
+
 
 @app.get("/health")
 async def health():