added more instructions for bitwarden inside rofi

README.md

@@ -47,6 +47,16 @@ ansible-playbook --ask-become-pass playbook.yml
 
 #### Configuration
 
+##### Bitwarden
+
+```
+rbw config set email <email>
+```
+
+Where `<email>` is the email to use for Bitwarden.
+
+##### i3
+
 ```bash
 touch i3/i3status/settings.json
 ```