Security Schemes: need configuration example

[lukemauldinks]

What version of ogen are you using?

github.com/ogen-go/ogen v0.81.1

Can this issue be reproduced with the latest version?

Yes

What did you expect to see?

Need documentation on how to pass custom HTTP request headers for API security. Example, per request I need to be able to pass key/value pairs for "X-API-KEY", "X-API-CUSTOM1".

What did you see instead?

No documentation or examples.