Add documentation for rename workspace
@@ -223,6 +223,9 @@ set|plus|minus <amount>
*reload*
Reloads the sway config file and applies any changes.
+*rename workspace* [<old_name>] to <new_name>
+ Rename either <old_name> or the focused workspace to the <new_name>
+
*resize* shrink|grow width|height [<amount> [px|ppt]]
Resizes the currently focused container by _amount_, specified in pixels or
percentage points. If the units are omitted, floating containers are resized
