implement S3 garage on the backend

apps/backend/app/main.py

@@ -2,7 +2,7 @@ from fastapi import FastAPI
 
 from app.database import engine, Base
 from app import models
-from app.routers import projects, experiences, skills
+from app.routers import projects, experiences, skills, media
 
 Base.metadata.create_all(bind=engine)