Showcase: Updated Vito sample titles to indicate whether it's View or Litho-based
Showcase: Updated Vito sample titles to indicate whether it's View or Litho-based

Summary: This makes it easier to see if an example is backed by Litho or Views.

Reviewed By: wizh

Differential Revision: D20030349

fbshipit-source-id: 94d7209ed77ceedbf94d3d379b462fce14ffdf82

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