Update Client README file

Nostra.Client/README.md

@@ -9,6 +9,13 @@ Nostra.Client is heavily "inspired" on [nostr-commander-rs](https://github.com/8
 
 # Build from source
 
+## Using Nix
+
+The easiest way to have both the relay and the client is by building the nix flake as follow:
+
+```bash
+$ nix build github:lontivero/nostra?dir=Contrib
+```
 
 # Config File
 
@@ -62,18 +69,35 @@ you can copy and paste this config file to get going real fast.
 # Example Usage
 
 ```
-$ Nostra.Client --create-user --name "Juan" \
+$ ncli --create-user --name "Juan" \
     --display-name "The greatest Juan" --about "Just a random guy for the sake of this documentation" \
     --picture "https://i.imgur.com/lKMdIps.png" \
     --nip05 [email protected] \
     --add-relay "wss://relay.primal.net" "wss://nostr.bitcoiner.social"
 
-$ Nostra.Client --publish "Wow, that was easy!"
-$ Nostra.Client --subscribe-author npub1xtscya34g58tk0z605fvr788k263gsu6cy9x0mhnm87echrgufzsevkk5s
-$ Nostra.Client --subscribe-channel 25e5c82273a271cb1a840d0060391a0bf4965cafeb029d5ab55350b418953fbb
+$ ncli --create "Wow, that was easy!" --publish
+$ ncli --subscribe-author npub1xtscya34g58tk0z605fvr788k263gsu6cy9x0mhnm87echrgufzsevkk5s
+$ ncli --subscribe-channel 25e5c82273a271cb1a840d0060391a0bf4965cafeb029d5ab55350b418953fbb
 ```
 
-# Usage
-
 ```
+$ ncli \
+      --create "hello #nostr look at my repo https://github.com/lontivero/Nostra nostr:nevent1qqswdshtyvpxkfelmzrmk9uk35vm0762mmt5pde600ljstswzd275hcpp4mhxue69uhkummn9ekx7mqpr4mhxue69uhkummnw3ez6ur4vgh8wetvd3hhyer9wghxuet5qgsfuv8fgq3cek0ta0rr9qtkm4x3pxqjz22y9u4xcwrj0lrxlfl2jzsrqsqqqqqpx9tsca"
+      --secret nsec1tc43eek43unn8ntcx8y3e2lkdxk66zjvq0t8zqaqvhk0jqd7w3as3wwca7"
+```
+
+```json
+{
+  "id": "3143fc2616eeadb0e23c149c398b2b79cb54a62bc0cc2007c4c9537e78b0beb9",
+  "content": "hello #nostr look at my repo https://github.com/lontivero/Nostra nostr:nevent1qqswdshtyvpxkfelmzrmk9uk35vm0762mmt5pde600ljstswzd275hcpp4mhxue69uhkummn9ekx7mqpr4mhxue69uhkummnw3ez6ur4vgh8wetvd3hhyer9wghxuet5qgsfuv8fgq3cek0ta0rr9qtkm4x3pxqjz22y9u4xcwrj0lrxlfl2jzsrqsqqqqqpx9tsca",
+  "pubkey": "c7d398301c213940d017166a58132dfc6e7cc12f5e3196458e18c47396dedfc6",
+  "created_at": 1706984702,
+  "kind": 1,
+  "tags": [
+    [ "t", "nostr" ],
+    [ "r", "https://github.com/lontivero/Nostra" ],
+    [ "e", "e6c2eb23026b273fd887bb17968d19b7fb4aded740b73a7bff282e0e1355ea5f", "wss://nos.lol", "wss://nostr-pub.wellorder.net" ]
+  ],
+  "sig": "723d2656bbf1da5798ff17341123c448678f452221a0ccdd7f013672a3d300ab43223062bb7283cff22d87c4d225b4b73744d96852948b864547c26cf9574ec9"
+}
 ```