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## PR-Codex overview
This PR focuses on enhancing the documentation and user guidance for the `thirdweb` platform, specifically around the Engine v3 features, onramp providers, and pricing details. It introduces new FAQs, clarifies migration steps, and adds visual content.
### Detailed summary
- Added new section for "Onramp Providers" in `sidebar.tsx`.
- Updated Engine FAQs in `page.mdx` with pricing and transaction details.
- Revised migration guide in `page.mdx` with clearer instructions and a callout for wallet migration.
- Enhanced `faqs/page.mdx` with additional questions about Universal Bridge and supported payment methods.
- Updated "Buy With Fiat" availability to 160+ countries.
- Included images for creating a vault and sending transactions in the `get-started/page.mdx`.
- Revised onramp providers section to clarify provider preferences and fees in `onramp-providers/page.mdx`.
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PR-Codex overview
This PR focuses on enhancing the documentation and user guidance related to the
thirdwebEngine, including updates to FAQs, migration guides, and onramp provider information, as well as adding images for better visual support.Detailed summary
Onramp Providersinsidebar.tsx.Engine FAQswith pricing details and transaction fees.page.mdxfor clarity and added a callout about wallet migration.pay/faqswith additional details on Universal Bridge and KYC requirements.Buy With Fiat.Create VaultandSend Test Transactionin theget-startedguide.onramp-providersdocumentation.