Builder Compatibility Documentation

[ForestEckhardt]

We should figure out a way to indicate the builders that are compatible to run each sample app. This would help reduce confusion for new buildpacks users and make it more clear the clear that each language family is compatible with and in what circumstance it is compatible with a given builder .

[arjun024]

Suggestion: List all the paketo builders you can build that app with, in the README.
Don't let a casual user go hunt for a matrix - the concept of a language-family may not even be intuitive to a user experimenting paketo buildpacks. Let them copy-paste.
E.g.

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Node.js Sample App using no package manager

Building

Using base builder

pack build nodejs-sample --buildpack gcr.io/paketo-buildpacks/nodejs --builder paketobuildpacks/builder:base

Using full builder

pack build nodejs-sample --buildpack gcr.io/paketo-buildpacks/nodejs --builder paketobuildpacks/builder:full

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