docs: clean up README and CONTRIBUTING

CONTRIBUTING.md

@@ -9,14 +9,6 @@ This document outlines some helpful guidelines if you wish to contribute to the
 - We enforce that `cargo clippy` passes in CI. Be sure to fix any warnings.
 - We also enforce that tests pass.
 
-## Project Structure
-
-Code broadly useful to the ecosystem should go under the `crates/` directory.
-Application-specific code should go under the `apps/` directory. It is advisable to
-treat your code as application specific initially, and later migrate it to `crates/`
-once you are more confident about how to use it outside your application specific
-context.
-
 ## Style Guide
 
 General guidance:

README.md

@@ -1,16 +1,13 @@
 # NexusSocial Identity Repo
 
-This serves as a monorepo for a variety of projects. See the `crates` dir for
-libraries and `apps` for application-specific crates.
-
-## Apps
-
-- [identity_server](apps/identity_server) - HTTP server for running a did:web node.
-
-## Libraries
-
-- [did-simple](crates/did-simple) - An easy to use crate for working with
-  Decentralized Identifiers (DIDs).
+This serves as a monorepo for projects related to accounts and identity.
+
+In particular, it hosts:
+* [did-simple](/did-simple) - A simple pure rust and sans-io crate with minimal
+  dependencies to work with did:key and did:web urls, signing, and verifying.
+  did:web
+* [identity-server](/identity-server) - A did:web HTTP server that implements a "sign
+  in with google/meta" approach.
 
 ## First Time Setup