docs: add tip command inside the docs

vincenzopalazzo · vincenzopalazzo · commit 318d9955cb35 · 2024-02-05T18:26:08.000+01:00
Signed-off-by: Vincenzo Palazzo &lt;vincenzopalazzodev@gmail.com&gt;
diff --git a/docs/docs-book/src/using-coffee.md b/docs/docs-book/src/using-coffee.md
@@ -159,6 +159,15 @@ Additionally, if you wish to perform a verification of coffee without making any
 coffee nurse --verify
 ```
 _________
+### Tipping a plugin in Bitcoin
+
+> ✅ Implemented
+
+```
+coffee tip <plugin_name> <millisatoshi>
+```
+
+------
 ## Running coffee as a server
 
 To run Coffee as a server, you can use the `coffee_httpd` binary.
