reflect WG change [depends on another PR] (#1202)

* reflect WG change, depends on speced/bikeshed#1109

* reflect WG change (see 2afc4ca)

* regen HTML

Author: ylafon

docs/index.bs

@@ -10,7 +10,7 @@ Editor: Jungkee Song, Samsung Electronics, [email protected]
 Editor: Jake Archibald, Google, [email protected]
 Editor: Marijn Kruisselbrink, Google, [email protected]
 Repository: w3c/ServiceWorker
-Group: webplatform
+Group: serviceworkers
 !Tests: <a href=https://github.com/w3c/web-platform-tests/tree/master/service-workers>web-platform-tests service-workers/</a> (<a href=https://github.com/w3c/web-platform-tests/labels/service-workers>ongoing work</a>)
 Status Text: This is a living document addressing new features including foreign fetch, header-based installation, navigation preload, etc. Readers need to be aware that this specification may include unstable features. <a href="https://w3c.github.io/ServiceWorker/v1/">Service Workers 1</a> is a version that is advancing toward a W3C Recommendation.
 Abstract: This specification describes a method that enables applications to take advantage of persistent background processing, including hooks to enable bootstrapping of web applications while offline.