Sample HTML5Demo-projectresources.zip not available

### Apache NetBeans version

Apache NetBeans 13

### What happened

From "Getting Started with HTML5 Applications" (https://netbeans.apache.org/kb/docs/webclient/html5-gettingstarted.html)

Retrieving the sample [project resources zip file] (https://netbeans.org/projects/samples/downloads/download/Samples/Web%20Client/HTML5Demo-projectresources.zip) resource receives: Page Not Found

### How to reproduce

Click the link "project resources zip file" on the page

### Did this work correctly in an earlier version?

Apache NetBeans 12.3 or earlier

### Operating System

Linux

### JDK

11.0

### Apache NetBeans packaging

Apache NetBeans binary zip

### Anything else

_No response_

### Are you willing to submit a pull request?

Yes

### Code of Conduct

Yes

Start with the “Getting Started with HTML5 Applications” page and inspect its “project resources zip file” link to Samples/Web Client/HTML5Demo-projectresources.zip. Verify the corrected resource location or link, then confirm that clicking it no longer returns Page Not Found.

Written by the indexing model from the issue text.