position agents on homepage (#1176)

Author: roethke

docs/get-started/base.mdx

@@ -12,10 +12,10 @@ mode: "wide"
     [Integrate Base Accounts](/base-account/quickstart/web)
   </div>
   <div className="use-cases-links">
-    ### Apps
-    [Create a Mini App](/mini-apps/quickstart/create-new-miniapp)
-    [Sponsor Transactions](/base-account/improve-ux/sponsor-gas/paymasters)
-    [Accept Recurring Payments](/base-account/guides/accept-recurring-payments)
+    ### Agents
+    [Build an AI Agent](/ai-agents/index)
+    [Give Your Agent a Wallet](/ai-agents/core-concepts/wallets)
+    [Register Your Agent](/ai-agents/core-concepts/identity-verification-auth)
   </div>
   <div className="use-cases-links">
     ### Tokens