clarifying how to get to the build screen

Author: aaronpowell

articles/static-apps/publish-vuepress.md

@@ -137,6 +137,8 @@ The following steps show you how to create a new Static Web Apps application and
 
 Next, you add configuration settings that the build process uses to build your app. The following settings configure the GitHub Action workflow file.
 
+1. Click the **Next: Build >** button to edit the build configuration
+
 1. Set _App location_ to **/**.
 
 1. Set _App artifact location_ to **.vuepress/dist**.