Self-hosted scheduler documentation/samples

[mikeee]

What content needs to be created or modified?
"How to run the scheduler in self-hosted mode"
With variants for docker/podman and docker compose

Describe the solution you'd like
Updated docs for launching the scheduler as well as updated samples incorporating the scheduler with code snippets.

Where should the new material be placed?
https://docs.dapr.io/operations/hosting/self-hosted/self-hosted-with-docker/

The associated pull request from dapr/dapr, dapr/components-contrib, or other Dapr code repos
dapr/dapr#7768

Additional context