feat: added footer image

Author: Kapil Gowru

fern/products/home/pages/welcome.mdx

@@ -857,7 +857,7 @@ layout: custom
           </a>
 
           <div className="soc2-badge">
-            <img src="./images/soc2-badge.svg" alt="Soc 2 Type II" className="soc2-badge-img" noZoom />
+            <img src="./images/soc2.svg" alt="Soc 2 Type II" className="soc2-badge-img" noZoom />
             <span className="status-text">Soc 2 Type II</span>
           </div>
         </div>