Link to PWA Checklist

[sendilkumarn]

fixes #1638

[ebidel]

Descriptions support markdown. I'd prefer we just add a link here in the aggregation description rather than pipe a new property throughout the codebase. We already have a few existing places like extendedInfo and description text for help text like this. IMO, it's also better to have this at the top of the section rather than the bottom. It'll get missed down there.

"description": "These audits validate the aspects of a Progressive Web App. They're a subset of the [PWA Checklist](https://developers.google.com/web/progressive-web-apps/checklist)."

[sendilkumarn]

@ebidel 👍 It is added.

[ebidel]

Can you stick the periods outside of the [PWA Checklist](https://developers.google.com/web/progressive-web-apps/checklist).

[ebidel]

It's a nit I know :)

[paulirish]

fixed the nit. ;)
why do we need to change the handlebars loop?

[googlebot]

So there's good news and bad news.

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[sendilkumarn]

@paulirish Thanks. :)
That's my mistake, forgot to remove it. Sorry.