chore(lazer): mention double endpoints in the docs and a note reg this (#941)

* mention double endpoints and a note reg this

* nit changed wording and point to lazer client

Author: nidhi-singh02

pages/price-feeds/pro/acquire-access-token.mdx

@@ -23,7 +23,10 @@ Once you receive your access token, use it to authenticate the websocket connect
 import { PythLazerClient } from "@pythnetwork/pyth-lazer-sdk";
 
 const client = await PythLazerClient.create(
-  ["wss://pyth-lazer.dourolabs.app/v1/stream"],
+  [
+    "wss://pyth-lazer-0.dourolabs.app/v1/stream",
+    "wss://pyth-lazer-1.dourolabs.app/v1/stream",
+  ],
   "YOUR_ACCESS_TOKEN"
 );
 ```

pages/price-feeds/pro/getting-started.mdx

@@ -108,7 +108,10 @@ The main example code in `src/index.ts` demonstrates the core Pyth Pro integrati
 import { PythLazerClient } from "@pythnetwork/pyth-lazer-sdk";
 
 const client = await PythLazerClient.create({
-  urls: ["wss://pyth-lazer.dourolabs.app/v1/stream"],
+  urls: [
+    "wss://pyth-lazer-0.dourolabs.app/v1/stream",
+    "wss://pyth-lazer-1.dourolabs.app/v1/stream",
+  ],
   token: process.env.ACCESS_TOKEN!,
 });
 

pages/price-feeds/pro/subscribe-price-updates.mdx

@@ -12,7 +12,17 @@ Subscribing to prices is a three-step process:
 2. **Configure** subscription parameters.
 3. **Subscribe** to the prices via [websocket API](https://pyth-lazer.dourolabs.app/docs).
 
-The websocket server is available at `wss://pyth-lazer.dourolabs.app/v1/stream{:bash}`.
+The websocket servers are available at:
+
+- `wss://pyth-lazer-0.dourolabs.app/v1/stream`
+- `wss://pyth-lazer-1.dourolabs.app/v1/stream`
+
+<Callout type="warning" emoji="⚠️">
+  **Redundancy Required**: For redundancy and to avoid interruptions during
+  deployments, you must connect to **both endpoints**. During deployments, a
+  single endpoint will briefly go down, so maintaining open connections to both
+  endpoints ensures continuous service availability.
+</Callout>
 
 <Steps>
 
@@ -68,13 +78,16 @@ To subscribe to the prices, send a request to the websocket server. The server w
 npm install --save @pythnetwork/pyth-lazer-sdk
 ```
 
-2. Then create a [`PythLazerClient`](https://github.com/pyth-network/pyth-crosschain/blob/main/lazer/sdk/js/src/client.ts#L32) object using the URL and the access token requested from our authorized distribution partners (Pyth Data Distributors) in the first step:
+2. Then create a [`PythLazerClient`](https://github.com/pyth-network/pyth-crosschain/blob/main/lazer/sdk/js/src/client.ts#L51) object using both endpoint URLs and the access token requested from our authorized distribution partners (Pyth Data Distributors) in the first step:
 
 ```js copy
 import { PythLazerClient } from "@pythnetwork/pyth-lazer-sdk";
 
 const client = await PythLazerClient.create(
-  ["wss://pyth-lazer.dourolabs.app/v1/stream"],
+  [
+    "wss://pyth-lazer-0.dourolabs.app/v1/stream",
+    "wss://pyth-lazer-1.dourolabs.app/v1/stream",
+  ],
   "YOUR_ACCESS_TOKEN"
 );
 ```