Export gemini converter functions so that they can be reused

[MayV]

Description here... Help the reviewer by:

• linking to an issue that includes more details
• if it's a new feature include samples of how to use the new feature
• (optional if issue link is provided) if you fixed a bug include basic bug details

Checklist (if applicable):

• PR title is following https://www.conventionalcommits.org/en/v1.0.0/
• Tested (manually, unit tested, etc.)
• Docs updated (updated docs or a docs bug required)

[chrisraygill]

Hi there! Can you include an explanation for this PR more detailed than the title? I'm not sure why you'd want to use these directly.