add extra whitespace to fix node.js code highlighting (highlight#7344)

## Summary
- these specific scripts are being passed to the `HighlightCodeBlock` as
a react component rather than text, not sure why this is but it's
rendered as `[object Object]`
- adding extra whitespace is a workaround 
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## How did you test this change?
- local docs build
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## Are there any deployment considerations?
- no
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## Does this work require review from our design team?
- no
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docs-content/sdk/nodejs.md

@@ -51,6 +51,7 @@ slug: nodejs
   </div>
   <div className="right">
     <code>
+
       import { H } from "@highlight-run/node";
 
       if (!H.isInitialized()) {
@@ -71,6 +72,7 @@ slug: nodejs
   </div>
   <div className="right">
     <code>
+
       import { H } from "@highlight-run/node";
 
       if (!H.isInitialized()) {
@@ -149,6 +151,7 @@ slug: nodejs
   </div>
   <div className="right">
     <code>
+      
       import { H } from "@highlight-run/node";
 
       const handler = (request) => {