feat: Update endpoint hello

app/api/endpoints/hello.py

@@ -0,0 +1,22 @@
+from fastapi import APIRouter, Depends, HTTPException, status
+from fastapi.security import OAuth2PasswordBearer
+from typing import Optional
+
+router = APIRouter()
+oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/login")
+
+@router.post("/logout", status_code=status.HTTP_200_OK)
+async def logout(token: str = Depends(oauth2_scheme)):
+    """
+    Logout endpoint to invalidate the current user's access token.
+
+    Args:
+        token (str): The access token to be invalidated.
+
+    Returns:
+        dict: A JSON response indicating the success of the logout operation.
+    """
+    # Implement token invalidation logic here
+    # For example, you could store the invalidated token in a blacklist or revoke it from the authentication provider
+
+    return {"message": "Logout successful"}