Add Progressive Web Application guide#1737

Merged

skipjack merged 9 commits intowebpack:masterfrom johnnyreilly:master

Dec 18, 2017

+157

Commits on Dec 3, 2017

Create stub pwa page based on the development page
johnnyreilly
committed

Commits on Dec 9, 2017

Commits on Dec 12, 2017

Commits on Dec 18, 2017

add bash to illustration

johnnyreilly
authored and
skipjack
committed
remove space

johnnyreilly
authored and
skipjack
committed
Make changes suggested by @skipjack

johnnyreilly
authored and
skipjack
committed
minor tweaks to progressive-web-applications guide
skipjack
authored