related to [issue #461](https://github.com/patternfly/chatbot/issues/461) footnotes in message snippets and footnotes to link to sources examples: <img width="999" alt="Image" src="https://github.com/user-attachments/assets/5bdf141f-e285-4f09-97a9-f3a9dad2f05f" /> <img width="920" alt="Image" src="https://github.com/user-attachments/assets/fb34ad9d-3175-4ed7-af0a-7d6a9625cd57" />
