Add Homebrew "dive" formula
Add Homebrew "dive" formula

Add the formula for dive (1), a tool for exploring a docker image, layer
contents, and discovering ways to shrink your Docker image size.

The formula is available through the `wagoodman/dive` tap.

References:
  (1) https://github.com/wagoodman/dive

Resolves GH-177

arcticicestudio/igloo,arcticicestudio/igloo,arcticicestudio/igloo