Document how to use the --target flag

[dbeatty10]

Contributions

• I have read the contribution docs, and understand what's expected of me.

Link to the page on docs.getdbt.com requiring updates

I'm not sure which page(s) would be most appropriate to update.

One option:

• https://docs.getdbt.com/reference/dbt-jinja-functions/target#use-targetname-to-change-your-source-database

What part(s) of the page would you like to see updated?

Simple examples like these would be helpful to add somewhere:

dbt run --target dev
dbt run --target prod

Additional information

Instigating issue: dbt-labs/dbt-core#9728

This page does mention --target once.

And this page also includes a reference to --target.