Update the RSpamD documentatio

Making the documentation more clear and easy to read

docs/firststeps-rspamd_ui.md

@@ -1,3 +1,8 @@
-At first you may want to set up Rspamd's web interface, which provides some useful features and information.
-In the Mailcow web admin interface, go to the Debug page and set the Rspamd UI password.
-Then open https://${MAILCOW_HOSTNAME}/rspamd in a browser and log in!
+Rspamd (https://rspamd.com/webui/) is an easy to use spam filtering tool presently installed with Mailcow.
+
+1. Go to the Mailcow web admin interface
+2. Click on Configuration > Debug page
+3. Modify the Rspamd UI password
+4. Go to https://${MAILCOW_HOSTNAME}/rspamd in a browser and log in!
+
+Additional configuration options and documentation can be found here : https://rspamd.com/webui/