feat: added tabs and v2 (#604)

content/cookbook/wallets/create-keypair.md

@@ -11,8 +11,28 @@ are [connecting to a wallet](/content/cookbook/wallets/connect-wallet-react),
 you do not need to worry about the keypair. Otherwise a keypair must be
 generated for signing transactions.
 
+<Tabs groupId="language" items={['web3.js v2', 'web3.js v1']}>
+
+<Tab value="web3.js v2">
+
+```javascript
+import { generateKeyPairSigner } from "@solana/web3.js";
+
+const signer = await generateKeyPairSigner();
+console.log("address: ", signer.address);
+```
+
+</Tab>
+
+<Tab value="web3.js v1">
+
 ```javascript
 import { Keypair } from "@solana/web3.js";
 
 const keypair = Keypair.generate();
+console.log("address:", keypair.publicKey.toBase58());
 ```
+
+</Tab>
+
+</Tabs>