doc: research on citations handling across LLM providers

[sovadim]

Applicable issues

• fixes #

Description of changes

Checklist

• Title of the pull request follows Conventional Commits specification
• Design documented is updated/created and approved by the team (if applicable)
• Documentation is updated/created (if applicable)
• Changes are tested on review environment
• App schema changes are backward compatible, or breaking changes are documented with a migration guide
• Integration tests pass

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[ai-dial-actions]

Hey there and thank you for opening this pull request! 👋🏼

We require pull request titles to follow the Conventional Commits specification and it looks like your proposed title needs to be adjusted.

Details:

Unknown release type "doc" found in pull request title "doc: research on citations handling across LLM providers".

Available types:
 - feat
 - fix
 - docs
 - test
 - ci
 - chore