chore: update bar component configuration readme (#231)

README.md

@@ -174,7 +174,7 @@ bar:
 The appearance of bar components can also be customized. The following properties can change the styling of a component, regardless of the component type.
 
 ```yaml
-# Type of component to display. Currently only 3 component types exist: "workspaces", "clock" and "text".
+# Type of component to display. Currently 7 component types exist: "workspaces", "clock", "text", "battery", "window title", "binding mode" and "tiling direction".
 type: <COMPONENT_TYPE>
 
 # Horizontal and vertical margins. See "Shorthand properties" for more info.