add function add startup

app/main.py

@@ -1,13 +1,18 @@
 from fastapi import FastAPI
 
 from .routers import users, token
-
+from .dependencies import user_add
 
 app = FastAPI()
 
 app.include_router(users.router)
 app.include_router(token.router)
 
+
+@app.on_event("startup")
+async def startup_event():
+    user_add.add(username="Peter93", password="toto", roles="Admin")
+
 @app.get("/")
 async def root():
     return {"message": "Hello World !"}