Update from code changes: mint og CLI command

[mintlify]

Documents the new mint og CLI command, which renders a page's social preview (OG) image to a local PNG, with its flags, warnings and exit codes, and links to it from the OG image section of the SEO page.
Authors can now check a page's thumbnail and try preset, surface and appearance values before deploying, using the same rendering as the live site.
Mirrored into es, fr and zh.
Based on a merged CLI change that adds mint og to render a page's OG card.

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Note

Low Risk
Documentation-only changes with no runtime or application code impact.

Overview
Documents the mint og CLI command across English and localized (es, fr, zh) CLI reference pages. The new section explains rendering a page’s social OG preview to PNG using docs.json thumbnails and page/section overrides, optional page argument, flags (--preset, --surface, --appearance, --output, --no-open), non-fatal warnings, and exit code 1 for invalid config or missing pages, with usage examples.

The SEO guides in the same locales gain a short pointer to mint og as a way to preview generated OG images locally without deploying (alongside the existing mint dev /_mintlify/og/ workflow).

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[mintlify]

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Project	Status	Preview	Updated
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