add README

Author: dickhardt

README.md

@@ -1,2 +1,19 @@
-# connect-key-binding
-Repository for managing "connect-key-binding" as part of OpenID Foundation AB-Connect Working Group
+# OpenID Connect Key Binding 1.0
+
+This repository contains the OpenID Connect Key Binding 1.0 draft specification.
+
+
+## Overview
+
+Some applications use proof of possession of a private key for authentication. OpenID Connect provides a protocol to delegate authentication and obtain identity claims to another service. This document specifies an extension to the OpenID Connect flow to bind a public key to an OpenID Connect ID Token.
+
+## Status
+
+This document is currently being worked on by the OpenID Foundation AB/Connect Working Group.
+
+## Builds
+
+You can view the latest editors' draft at [https://openid.github.io/connect-key-binding/main.html](https://openid.github.io/connect-key-binding/main.html).
+
+Previews for each branch of this project are automatically built and published at the URL https://openid.github.io/connect-key-binding/$branchname.html.
+Previews for branches associated with pending Pull Requests are accessible using this pattern.