Update VSM screenshots and captions to point to shipped capabilities.

Why is this change being made?

The existing VSM solutions page includes mockups and links to issues that were opened over a year ago. This makes it look as if we do not have VSM features in the product today. This MR replaces these with screenshots of the product and new image captions that link to docs.

Note that no attempt has been made to rework messaging but image placement did consider existing existing text and captions help tell image stories independently from other messaging. This is at least an improvement upon which we can further iterate. Give the level of recent analyst activity it seems important to correct this quickly.

Author Checklist

• Provided a concise title for the MR
• Added a description to this MR explaining the reasons for the proposed change, per say-why-not-just-what
• Assign this change to the correct DRI
  • If the DRI for the page/s being updated isn’t immediately clear, then assign it to your manager.
  • If your manager does not have merge rights, please ask someone to merge it AFTER it has been approved by your manager in #mr-buddies.
  • If the changes relate to any part of the project other than updates to content and/or data files please make sure to ping @gl-static-site-editor in a comment for a review and merge. For example changes to .gitlab-ci.yml, JavaScript/CSS/Ruby code or the layout files.

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