Event pagination doc (MystenLabs#5529)

* add docs for event query

* address PR comments

* update doc

* update navconfig.json

doc/src/build/comms.md

@@ -9,6 +9,6 @@ The pages in this section provide various options for communicating with Sui:
 * Interact with the Sui network via the [Sui Rust SDK](rust-sdk.md), a collection of Rust language JSON-RPC wrapper and crypto utilities.
 * Sign transactions and interact with the Sui network using the [Sui TypeScript SDK](https://github.com/MystenLabs/sui/tree/main/sdk/typescript) built on the Sui JSON RPC API.
 * Run a [Sui Full node](fullnode.md) yourself to store the full Sui blockchain state and history.
-* Filter and subscribe to a [real-time event stream](pubsub.md) on your Sui Full node using the WebSocket API.
+* Filter and subscribe to a [real-time event stream](event_api.md#subscribe-to-sui-events) on your Sui Full node using the WebSocket API.
 
 See the [Sui Reference Documentation](reference.md) for information on our API and SuiJSON format.