NIP-35 User Discovery (#73)

* Draft NIP for user discovery

* Renumber to NIP-35

* spelling fix

* Add to README

* fix quote

* and colon

35.md

@@ -0,0 +1,41 @@
+
+NIP-35
+======
+
+User Discovery
+--------------
+
+`draft` `optional` `author:mikedilger`
+
+This NIP extends NIP-05 to facilitate a mechanism of user discovery that provides both public key information and relay information.
+
+This NIP does not modify any data or events within the nostr protocol. It only extends the contents of `https://<domain>/.well-known/nostr.json?name=<local-part>` return values with additional relay information.
+
+With this NIP implemented, clients may then attempt to discover users via email-like addresses (see NIP-05) and potentially find what relays they post to along with their public key.
+
+### nostr.json contents
+
+NIP-05 specifies a `nostr.json` file with contents like this (refer to NIP-05):
+
+```json
+{
+  "names": {
+    "bob": "b0635d6a9851d3aed0cd6c495b282167acf761729078d975fc341b22650b07b9"
+  }
+}
+```
+
+This NIP proposes an optional additional key like this:
+
+````
+{
+  "names": {
+    "bob": "b0635d6a9851d3aed0cd6c495b282167acf761729078d975fc341b22650b07b9"
+  },
+  "relays": {
+    "b0635d6a9851d3aed0cd6c495b282167acf761729078d975fc341b22650b07b9": [ "wss://relay.example.com", "wss://relay2.example.com" ]
+  },
+}
+````
+
+The `relays` key contains an object with public keys as properties and arrays of relays as values.

README.md

@@ -22,6 +22,7 @@ NIPs stand for **Nostr Implementation Possibilities**. They exist to document wh
 - [NIP-22: Event created_at Limits](22.md)
 - [NIP-25: Reactions](25.md)
 - [NIP-28: Public Chat](28.md)
+- [NIP-35: User Discovery](35.md)
 
 ## Event Kinds