Reorganize project structure

app/main.py

@@ -0,0 +1,14 @@
+from fastapi import FastAPI, Depends
+from sqlalchemy.orm import Session
+from . import models, database
+
+app = FastAPI()
+
+@app.on_event("startup")
+def startup():
+    models.Base.metadata.create_all(bind=database.engine)
+
+@app.get("/users/")
+def read_users(db: Session = Depends(database.get_db)):
+    users = db.query(models.User).all()
+    return users