added web3 onboard page (#5940)

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title: "[SDK/Dashboard/Portal] Feature/Fix: Concise title for the changes"
---

CORE-694

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## PR-Codex overview
This PR introduces a new section for "Web3 Onboard" in the sidebar and adds a corresponding documentation page in `page.mdx`, providing information about the acquisition of Web3Onboard by Blocknative and guidance for migration to thirdweb's SDK.

### Detailed summary
- Added a new entry for `Web3 Onboard` in the sidebar of `sidebar.tsx`.
- Created a new documentation page in `page.mdx` detailing the acquisition of Web3Onboard and migration instructions.
- Included links to Web3 Onboard's documentation and thirdweb's support site.

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Author: saminacodes

apps/portal/src/app/connect/sidebar.tsx

@@ -193,6 +193,10 @@ export const sidebar: SideBar = {
             },
           ],
         },
+        {
+          name: "Web3 Onboard",
+          href: `${walletSlug}/web3-onboard`,
+        },
         {
           name: "Migrate to thirdweb",
           href: `${walletSlug}/migrate-to-thirdweb`,

apps/portal/src/app/connect/wallet/web3-onboard/page.mdx

@@ -0,0 +1,5 @@
+# Web3 Onboard
+
+thirdweb acquired Web3Onboard by Blocknative on 1/13/2025. We will be quickly migrating the documentation over to thirdweb in the coming weeks. For now, please refer to [Web3 Onboard's documentation](https://onboard.blocknative.com/docs/overview/introduction)
+
+If you have any questions on how to migrate over to thirdweb's SDK, please review our docs or [visit our support site](https://thirdweb.com/support).