WIP: Plugins page

[Blaine Bublitz]

We're planning to release a brand new plugin page and ditch our old, unmaintained plugins site.

I've already begun this work on a branch in this repo.

Here are some additional resources I've been using:

• https://api-docs.npms.io/#api-Search
• https://github.com/npm/registry/blob/master/docs/REGISTRY-API.md#get-v1search

[Blaine Bublitz]

This is available at http://gulpjs.com/plugins-new/ to test a bit before release.

[Blaine Bublitz]

This has been renamed and promoted. I will open new issues for any other issues or improvements.