Bump width from 800 to 1000

This is the width used for the images extracted from the
PDF. I found that the Claude 3 Model Card PDF had OCR
errors at 800px what went away at 1000px.

Refs #1

Author: simonw

pdf-ocr.html

@@ -62,7 +62,7 @@ <h2>Pages</h2>
   <div class="image-container"></div>
 
   <script>
-    const desiredWidth = 800;
+    const desiredWidth = 1000;
     const dropzone = document.getElementById('dropzone');
     const fileInput = document.getElementById('fileInput');
     const imageContainer = document.querySelector('.image-container');