docs: Update CONFIGURATION.md (#2916)

This PR is a small fix in the documentation where the syntax was incorrect.

Author: sahilpohare

doc/CONFIGURATION.md

@@ -294,13 +294,13 @@ const node = await createLibp2p({
     mdns({
       interval: 1000
     }),
-    bootstrap(
+    bootstrap({
       list: [ // A list of bootstrap peers to connect to starting up the node
         "/ip4/104.131.131.82/tcp/4001/ipfs/QmaCpDMGvV2BGHeYERUEnRQAwe3N8SzbUtfsmvsqQLuvuJ",
         "/dnsaddr/bootstrap.libp2p.io/ipfs/QmNnooDu7bfjPFoTZYxMNLWUQJyrVwtbZg5gBMjTezGAJN",
         "/dnsaddr/bootstrap.libp2p.io/ipfs/QmQCU2EcMqAqQPR2i9bChDtGNJchTbq5TbXJJ16u19uLTa",
       ]
-    )
+    })
   ]
 })
 ```