Guides - PRPL (Web Performance)

[addyosmani]

I wrote up a more general version of the PRPL pattern over on https://developers.google.com/web/fundamentals/performance/prpl-pattern/ but would love to put together a version for the Webpack docs.

Going to throw together a draft.

[sokra]

Great, send a PR. This fits great in the how-to section.

[skipjack]

Related discussion: #1145

[skipjack]

@addyosmani hey did you ever make any progress on this? We're doing a big review, cleanup, and synchronization of our guides now so it wouldn't be a bad time if you're still interested in submitting a PR. Also does this overlap with #1145?

[skipjack]

Closing for inactivity (and because maybe it overlaps or could be combined with #1145)... @addyosmani please feel free to re-open if you're still interested in submitting a PR for this separate from #1145.