Fix: broken links in README files (#2268)

* edit link README.md

* fix broken link README.md

Author: youyyytrok

packages/rainbow-button/README.md

@@ -36,7 +36,7 @@ import { createConfig, WagmiConfig } from 'wagmi';
 
 The `RainbowConnector` supports connecting with Rainbow just like Wagmi's native `MetaMaskConnector` from `wagmi/connectors/metaMask`.
 
-Create an instance of the `RainbowConnector` and provide it in your wagmi config `connectors` list. Supply your `chains` list and your WalletConnect v2 `projectId`. You can obtain a `projectId` from [WalletConnect Cloud](https://cloud.walletconnect.com/sign-in). This is absolutely free and only takes a few minutes.
+Create an instance of the `RainbowConnector` and provide it in your wagmi config `connectors` list. Supply your `chains` list and your WalletConnect v2 `projectId`. You can obtain a `projectId` from [WalletConnect Cloud]https://cloud.reown.com/sign-in). This is absolutely free and only takes a few minutes.
 
 ```tsx
 const config = createConfig({

packages/rainbowkit-siwe-next-auth/README.md

@@ -126,7 +126,7 @@ export default function AuthenticatedPage({ address }: AuthenticatedPageProps) {
 
 For more information about managing the session, you can refer to the following documentation:
 
-- [Next.js authentication guide](https://nextjs.org/docs/authentication)
+- [Next.js authentication guide](https://nextjs.org/docs/app/building-your-application/authentication)
 - [NextAuth documentation](https://next-auth.js.org)
 
 ## Contributing