Remove all references to deprecated agoric-sdk.pages.dev

[Copilot]

• Remove all references to deprecated agoric-sdk.pages.dev (9 references across 5 files)
• Update navigation menu items in nav.js and config.mjs
• Replace deprecated API links with simple text references
• Fix linting warnings in explainer-how-to-make-an-offer.md by removing trailing empty lines

All changes complete. The documentation builds successfully with no broken links or formatting issues.

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[cloudflare-workers-and-pages]

Deploying documentation with    Cloudflare Pages

Latest commit:	0ece1fc
Status:	✅  Deploy successful!
Preview URL:	https://df6969e9.documentation-7tp.pages.dev
Branch Preview URL:	https://copilot-fix-1287.documentation-7tp.pages.dev

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[toliaqat]

@copilot can you try fixing linting warning in main/guides/getting-started/explainer-how-to-make-an-offer.md ? May be try yarn format command?

[Copilot]

@copilot can you try fixing linting warning in main/guides/getting-started/explainer-how-to-make-an-offer.md ? May be try yarn format command?

Fixed the linting warnings in main/guides/getting-started/explainer-how-to-make-an-offer.md by running yarn format. The formatter removed trailing empty lines at the end of the file. Documentation builds successfully with no issues. (0ece1fc)