Add information about fuzzy-match option introduced in #359

Module:-i3.md

@@ -55,6 +55,13 @@ wrapping-scroll = false
 ; Set the scroll cycle direction 
 ; Default: true
 reverse-scroll = false
+
+; Use fuzzy (partial) matching on labels when assigning 
+; icons to workspaces
+; Example: code;♚ will apply the icon to all workspaces 
+; containing 'code' in the label
+; Default: false
+fuzzy-match = true
 ~~~
 
 ### Additional formatting