docs(translate): Minor formatting (#8341)

- [ ] Regenerate this pull request now.

PiperOrigin-RevId: 551578436

Source-Link: https://togithub.com/googleapis/googleapis/commit/3f1a96435c9373e9370f74d5130cee85b3e74c01

Source-Link: https://togithub.com/googleapis/googleapis-gen/commit/a30fe8b64757be352378c412dc046bf6643b3a49
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiYTMwZmU4YjY0NzU3YmUzNTIzNzhjNDEyZGMwNDZiZjY2NDNiM2E0OSJ9
BEGIN_NESTED_COMMIT
feat(discoveryengine): support conversational / multi-turn search
feat: support tail suggestions in completion API
feat: support image search
feat: add skip reason for search summarization
docs: keep the API doc up-to-date with recent changes

PiperOrigin-RevId: 551559583

Source-Link: https://togithub.com/googleapis/googleapis/commit/16ebd6c48352ae1d07ac09ebf9535fa4c07a2cbd

Source-Link: https://togithub.com/googleapis/googleapis-gen/commit/09b192e7226e272a6e755329aaf7f924f1e4eef4
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiMDliMTkyZTcyMjZlMjcyYTZlNzU1MzI5YWFmN2Y5MjRmMWU0ZWVmNCJ9
END_NESTED_COMMIT