update readme with an example and info on acpid

README.md

@@ -3,12 +3,18 @@ My custom event handler for battery related things. Here's a brief rundown of
 all the features:
 
 When the percentage gets below a specified percentage it will blink the
-specified led at any rate defined by the config file.
+specified led at any rate defined by the config file. Example:
+![blink.mp4](./examples/blink.mp4 "blink.mp4")
 
 If the system is plugged in and a wayland session is running then the event
 handler will place an idle inhibitor on the session to keep the computer from
 going to sleep. The inhibitor is removed when the system is unplugged.
 
+> [!WARNING]
+> event-handler relies on [acpid](https://wiki.archlinux.org/title/Acpid) to
+> monitor battery events ensure you have it installed and running before using
+> event-handler
+
 ## Default Config
 ```toml
 [battery]