Update index.html to adjust the width embedding layer in llm image

src/index.html

@@ -260,7 +260,7 @@
         </ol>
 
         <figure class="fullscreen">
-            <div id="image-as-graph" style="display: grid; position: relative; justify-content: center;">
+            <div id="image-as-graph" style="display: grid; position: relative; justify-content: center; width: 70%;">
                 <img src="assets/images/llm_embedding_overview.png" alt="Overview of embeddings in LLMs">
             </div>
             <figcaption>Overview of how embeddings fit into the LLM architecture</figcaption>