[Portal] Fix: Broken Link (#5716)

## Problem solved

Short description of the bug fixed or feature added

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## PR-Codex overview
This PR updates the link in the `page.mdx` file for the wallet overview section, directing users to the correct "get started" guide for thirdweb wallets.

### Detailed summary
- Changed the `href` attribute from `/wallet/get-started/overview` to `/connect/wallet/get-started` in the `page.mdx` file.

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Author: gregfromstl

apps/portal/src/app/connect/wallet/overview/page.mdx

@@ -91,7 +91,7 @@ A flexible sign-up flow that accommodates different preferences is critical when
 	icon={WalletsConnectIcon}
 	title="Getting started"
 	description="See our get started guide for quickly getting up and running with thirdweb wallets on the various supported platform."
-	href="/wallet/get-started/overview"
+	href="/connect/wallet/get-started"
 />
 
 <DocImage src={customModal} />