add minimal info to the README

Author: elf-pavlik

README.md

@@ -1 +1,18 @@
 # Solid - ActivityPub interoperability
+
+This report will describe interoperability between [Solid](https://solidproject.org/TR/) and [ActivityPub](https://www.w3.org/TR/activitypub/).
+
+https://solid.github.io/activitypub-interop/
+
+## Background
+
+Please [Integrating ActivityPub within Solid specs](https://forum.solidproject.org/t/integrating-activitypub-within-solid-specs/8355) on Solid forum.
+
+## Invited gruops
+
+* [Solid CG](https://www.w3.org/groups/cg/solid/)
+* [Social Web Incubator](https://www.w3.org/groups/cg/socialcg/)
+
+## Generating the report
+
+This report is generated with [Bikeshed](https://speced.github.io/bikeshed/) and automatically deployed to Github pages with [Spec Prod](https://w3c.github.io/spec-prod/).

index.bs

@@ -6,14 +6,12 @@ ED: https://solid.github.io/activitypub-interop/
 Level: 1
 Status: CG-DRAFT
 Group: solidcg
-!Modified: [DATE]
 Repository: https://github.com/solid/activitypub-interop
 Inline Github Issues: title
 Markup Shorthands: markdown yes
 Max ToC Depth: 2
 Editor: Sébastien Rosset
 Editor: elf Pavlik, https://elf-pavlik.hackers4peace.net
-Metadata Order: This version, Latest published version, Test Suite, Created, Modified, *, !*
 Abstract:
-  This report will describe interoperability between Solid and ActivityPub
+  This report will describe interoperability between [Solid](https://solidproject.org/TR/) and [ActivityPub](https://www.w3.org/TR/activitypub/).
 </pre>