website(docs): revamp website docs to use new SDK and document new features

[AryanSharma48]

Description

This PR revamps the website documentation (website/src/app/page.tsx) to align with the new SmoothAPI SDK naming conventions and major features.

Specifically, this update:

• Replaces deprecated API references (createResilientFetch, resilient_api, ResilientConfig) with their modern equivalents (createSmoothFetch, smooth_api, SmoothConfig).
• Adds dedicated documentation blocks in the "Core Features" section for Request Deduplication and Request Timeouts.
• Updates the "Configuration Options" table to include timeoutMs, timeout_ms, and deduplication.

Fixes # (Leave blank or add issue number if you created one)

Type of Change

Please check the option that applies:

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation/Website update (changes to READMEs, examples, inline comments, or the documentation website)

Checklist

Design & Parity

• If this introduces a new configuration option or public API, I have implemented equivalent options/behavior in both TypeScript and Python packages.
• The core packages remain dependency-free (no new external runtime dependencies added).
• I have updated the relevant package-specific README.md or general documentation where necessary.
• If applicable, I have updated the examples or website to reflect these changes.

Quality & Testing

• I started the sandbox Express server (cd sandbox && npm install && npm start) in a separate terminal before running the tests.
• TypeScript Package: I have run the TypeScript tests (npm install && npm run build && npm test inside packages/smooth-api-ts) and all tests passed.
• Python Package: I have run the Python tests (pip install -e ".[dev]" && pytest inside packages/smooth-api-py) and all tests passed.
• I have added new tests to cover my changes.
• I have commented my code, particularly in hard-to-understand areas, and updated JSDoc/docstrings.

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Project	Deployment	Actions	Updated (UTC)
smooth-api	Ready	Preview	Aug 19, 2026 10:30pm

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