(DOCSP-24426): Update hero image (#422)

* (DOCSP-24426): Update hero image

* adjust hero image scale

* add second index page with alternate option

* reset scale

* finalize with framed image

Author: jeff-allen-mongo

source/images/hero-border.png

@@ -19,7 +19,7 @@ What is MongoDB Compass?
 
    :doc:`View installation instructions <install>`
 
-.. image:: /images/hero.png
+.. image:: /images/hero-border.png
    :alt: Homepage hero image
 
 .. kicker:: What You Can Do