Fix V Script Section Wrong Redirect

Fixes vlang#191

index.html

@@ -458,7 +458,7 @@ <h2>V Script</h2>
 mv('v.exe', 'build/')
 
 v run deploy.vsh</pre>
-      <p><a href="/docs#bash">Read more about V script</a></p>
+      <p><a href="/docs#cross-platform-shell-scripts-in-v">Read more about V script</a></p>
     </div>
   </div>