### Privileged issue - [X] I'm @tiangolo or he asked me directly to create an issue here. ### Issue Content Add documentation about how to use the async tools (session, etc). <!-- POLAR PLEDGE BADGE START --> ## Funding * You can sponsor this specific effort via a [Polar.sh](https://polar.sh) pledge below * We receive the pledge once the issue is completed & verified <a href="https://polar.sh/tiangolo/sqlmodel/issues/626"> <picture> <source media="(prefers-color-scheme: dark)" srcset="https://polar.sh/api/github/tiangolo/sqlmodel/issues/626/pledge.svg?darkmode=1"> <img alt="Fund with Polar" src="https://polar.sh/api/github/tiangolo/sqlmodel/issues/626/pledge.svg"> </picture> </a> <!-- POLAR PLEDGE BADGE END -->
