docs: add anchor for get_presigned_url method in API docs (#1109)
docs: add anchor for get_presigned_url method in API docs (#1109)

Co-authored-by: Harman Singh <1eee3a4e20c26d4f33d8af754704ab15adbd0233@demonware.net>

minio/minio-py,minio/minio-py