feat: expand section on contributing to the spec (#795)

Signed-off-by: Wouter Termont <woutermont@gmail.com>
Co-authored-by: Timea <4144203+timea-solid@users.noreply.github.com>

Author: woutermont

pages/specification.md

@@ -8,36 +8,64 @@ redirect_from:
 
 # Specification
 
-To read the current specification, see [Solid Specification](https://solidproject.org/TR/).
-
-## Contribute
+The Solid Specification consists of several [Technical Reports](https://solidproject.org/TR/), each of which is edited by a 
+[Solid panel](https://github.com/solid/specification/blob/main/README.md#solid-panels).
 
+## Contributing to the specification
 
 <div class="message is-info">
   <p class="message-body">
     Before contributing, please read the 
-    <a href="https://github.com/solid/process/blob/master/code-of-conduct.md">Code of Conduct</a> 
-    and <a href="https://www.w3.org/community/solid/"> join the W3C Solid Community Group</a>. 
+    <a href="https://github.com/solid/process/blob/master/code-of-conduct.md">Solid Code of Conduct</a> 
+    and the <a href="https://www.w3.org/Consortium/cepc/"
+    >W3C Code of Ethics and Professional Conduct</a>. 
+    Join the <a href="https://www.w3.org/community/solid/">W3C Solid Community Group</a>
+    before providing substantial contributions.
+    Note that Solid encourages adherence to the W3C's 
+    <a href="https://www.w3.org/TR/design-principles/">Web Platform Design Principles</a>, 
+    in particular the <a href="https://www.w3.org/TR/design-principles/#priority-of-constituencies">Priority of Constituencies</a>.
   </p>
 </div>
 
 Anyone can contribute by filing an [issue via GitHub](https://github.com/solid/specification/issues) 
 or by submitting [pull requests](https://github.com/solid/specification/pulls).
 
-For new proposals, present your proposals at the relevant meetings 
-and communication channels, which include the following weekly recurring meetings: 
+Present your proposals via the most relevant meetings 
+and communication channels: 
+
+- Submit new **<u>User Stories</u>** to 
+  the [Solid User Stories](https://github.com/solid/user-stories/) 
+  repository. They are tagged according to the aspects of Solid 
+  that are relevant to them, so that specification panels can easily 
+  find them for the work items at hand.
+
+- Help formulate **<u>Use Cases and Requirements</u>** (UCR) based on the User Stories for each TR: 
+
+  * [Authorization UCR](https://solid.github.io/authorization-panel/authorization-ucr/)
+  * [Notifications UCR](https://solid.github.io/notifications-panel/notifications-ucr.html)
+  * Upcoming: WebID-Profile UCR ([issue](https://github.com/solid/webid-profile/issues/55),
+    [PR](https://github.com/solid/webid-profile/pull/80))
 
-| Panel | When | Meeting Link |
-| ----- |------|--------------|
-| [Authentication Panel](https://www.w3.org/community/solid/wiki/Authentication_Panel)   | Mondays at 16:00 Central European / 10:00 Eastern | [Meeting](https://meet.jit.si/solid-authentication) |
-| [Interoperability Panel](https://www.w3.org/community/solid/wiki/Interoperability_Panel) | Tuesdays at 16:00 Central European / 10:00 Eastern | [Meeting](https://meet.jit.si/solid-data-interoperability) |
-| [Authorization Panel](https://www.w3.org/community/solid/wiki/Authorization_Panel)   | Wednesday at 16:00 Central European / 10:00 Eastern | [Meeting](https://meet.jit.si/solid-authorization) |
+  All Solid UCRs are reviewed by the Diversity, Equity, and Inclusion Team 
+  ([DEIT](https://github.com/solid/deit/blob/main/meetings/2021-11-09.md#deit-to-review-use-cases-in-specification-development)).
 
+- Join the Solid [Panel Meetings](https://github.com/solid/specification/blob/main/README.md#solid-panels)
+  to listen, provide insight or suggest topics for discussion. 
+  Meeting schedules, agendas and minutes can be found on the GitHub 
+  pages of each panel. 
+  Please read the 
+  [guidelines for participation](https://github.com/solid/specification/blob/main/meetings/README.md)
+  before calling in.
+
+
+More details on how to contribute can be found [on GitHub](https://github.com/solid/specification/blob/main/CONTRIBUTING.md).
 All proposals undergo an Editorial review process. For more information
 on proposal submissions and reviews, see the 
-[Solid Process](https://github.com/solid/process#reviewing-proposals).
+[Solid Process](https://github.com/solid/process).
+
 
-## Track Progress
+## Tracking Progress
 
 Keep up-to-date with specification progress by signing up for
-[This Month in Solid](https://solidproject.org/newsletter).
+[This Month in Solid](/newsletter).
+Minutes of meetings are kept by each [panel](https://github.com/solid/specification/blob/main/README.md#solid-panels) to track ongoing discussions.